Why is the index not seeking?

SELECT  UserId
      , ApplicationId
      , fullname
      , userstate
      , interviewDateTime
      , interviewerSelectedDate
      , lastlogin
      , ISNULL(firstPayment, 0) AS 'firstpaymentstatus'
      , transactionDate
      , ISNULL(applicationComplete, 0) AS 'applicationcomplete'
      , ISNULL(No_of_references, 0) AS 'no_of_references'
      , ISNULL(No_Of_UnreviewedNotes, 0) AS 'no_of_unreviewednotes'
      , ISNULL(int_report_complete, 0) AS 'int_report_complete'
      , Comment
      , CommentBy
      , ISNULL(interviewerViewed, 0) AS 'interviewerviewed'
      , IsInDemand
      , URI
      , DateOfBirth
      , earliestAvailabilityDate
      , Programme
      , fullTimeStudent
      , OrgType
      , [Status]
      , DBSstatusDescription
FROM    (
          SELECT    ul.UserID
                  , app.ApplicationID
                  , ul.FirstName
                  , ul.LastName
                  , ul.Email
                  , ul.FirstName + ' ' + ul.LastName AS 'fullname'
                  , a.LastContact AS 'lastlogin'
                  , usm.StateName AS 'userstate'
                  , app.Programme
                  , app.InterviewerID
                  , app.Season
                  , ac.interviewerSelectedDate
                  , tpi.interviewDateTime
                  , tpi.interviewstatus
                  , ac.firstPayment
                  , ac.applicationComplete
                  , ref.No_of_references
                  , notes.No_Of_UnreviewedNotes
                  , ISNULL(ac.interviewReportComplete, 0) AS 'int_report_complete'
                  , at.transactionDate
                  , com.CommentBy
                  , com.Comment
                  , ac.interviewerViewed
                  , app.Returner
                  , app.rejected
                  , ul.createdOn
                  , app.requiresInterview
                  , CASE ISNULL(afm.applicationID, 0)
                      WHEN 0 THEN 0
                      ELSE 1
                    END AS 'IsInDemand'
                  , ul.CountryCode
                  , ul.RegionId
                  , upload.URI
                  , app.applicationRating
                  , ul.DateOfBirth
                  , app.earliestAvailabilityDate
                  , app.fullTimeStudent
                  , id.first_name + ' ' + id.last_name AS 'interviewerName'
                  , orgType.OrgType
                  , orgType.Status
                  , orgType.DBSstatusDescription
          FROM      tbl_UserLogin ul
          INNER JOIN tbl_applicant a
                    ON ul.ApplicantID = a.ApplicantID
          INNER JOIN tbl_application app
                    ON a.ApplicantID = app.ApplicantID
          INNER JOIN tbl_season s
                    ON s.Season = app.Season
                       AND s.Is_Current = 1
          INNER JOIN tbl_user_state_message usm
                    ON app.UserState = usm.UserState
          LEFT JOIN tbl_interviewer_details id --Consider INNER JOIN  if possible
                    ON id.interviewer_id = app.InterviewerID
          LEFT JOIN (
                      SELECT    appi.applicationID
                              , appiu.URI
                      FROM      tbl_application_images appi
                      INNER JOIN tbl_application_image_uploads appiu
                                ON appi.imageID = appiu.imageID
                                   AND ( appi.[Type] = 1
                                         OR ( appi.[Type] IS NULL )
                                       )
                    ) upload
                    ON app.ApplicationID = upload.applicationID
          LEFT JOIN tbl_applicant_checklist ac
                    ON app.ApplicantID = ac.applicantID
          LEFT JOIN tbl_pending_interviews tpi
                    ON app.ApplicationID = tpi.applicationid
          LEFT JOIN (
                      SELECT    COUNT() AS 'No_of_references'
                              , applicationID
                      FROM      tbl_application_images tai
                      WHERE     tai.[Type] = 3
                                AND tai.[Status] <> 0
                      GROUP BY  tai.applicationID
                    ) ref
                    ON ref.applicationID = app.ApplicationID
          LEFT JOIN (
                      SELECT    COUNT() AS 'No_Of_UnreviewedNotes'
                              , applicationID
                      FROM      tbl_application_document_notes adn
                      WHERE     adn.reviewed = 0
                      GROUP BY  adn.applicationID
                    ) notes
                    ON notes.applicationID = app.ApplicationID
          LEFT JOIN (
                      SELECT    cat.transactionDate
                              , cat.applicationID
                              , ROW_NUMBER() OVER ( PARTITION BY cat.applicationID ORDER BY cat.transactionDate DESC ) AS GroupRowNumber
                      FROM      COLAFinance.dbo.accountTransaction cat
                      WHERE     cat.feeTypeID = 1 -- AND cat.transactionDate >= DATEADD(YEAR,-1,GETDATE())
 
                    ) at
                    ON at.applicationID = app.ApplicationID
                       AND at.GroupRowNumber = 1
          LEFT JOIN (
                      SELECT    sub.Comment
                              , sub.CommentBy
                              , sub.ApplicationID
                      FROM      (
                                  SELECT    ac.Comment
                                          , ac.CommentBy
                                          , ac.ApplicationID
                                          , ROW_NUMBER() OVER ( PARTITION BY ac.ApplicationID ORDER BY ac.CommentDateTime DESC ) AS GroupRowNumber
                                  FROM      tbl_application_comments ac
                                  WHERE     ac.CommentByType = 'INT'
                                            AND ac.CommentDateTime >= DATEADD(YEAR, -1, GETDATE())
                                ) AS sub
                      WHERE     GroupRowNumber = 1
                    ) com
                    ON com.applicationID = app.ApplicationID
          LEFT JOIN (
                      SELECT DISTINCT
                                ( applicationID )
                      FROM      tbl_application_filter_match
                    ) afm
                    ON afm.applicationID = app.ApplicationID
          LEFT JOIN (
                      SELECT TOP 1
                                so.OrgType
                              , ch.Status
                              , rcs.DBSstatusDescription
                              , cid.ApplicationId
                      FROM      tbl_application_crb_initialData cid
                      INNER JOIN tbl_season_organisationId so
                                ON cid.OrganisationId = so.OrgId
                      LEFT JOIN tbl_crbHistory ch
                                ON cid.ClientReference = ch.ClientReference
                      LEFT JOIN ref_crbStatus rcs
                                ON ch.Status = rcs.statusId
                      ORDER BY  cid.DateAdded DESC
                              , ch.DateAdded DESC
                    ) orgType
                    ON app.ApplicationID = orgType.ApplicationId
          WHERE     app.InterviewerID = @interviewerId
                    AND ( ( interviewDateTime IS NULL )
                          OR ( interviewstatus = 'REJD' )
                        )
        ) AS vw

CREATE TABLE dbo.App
(
    ApplicationID integer NOT NULL
);
 
CREATE TABLE dbo.accountTransaction
(
    applicationID integer NOT NULL,
    transactionDate date NOT NULL,
    feetypeID integer NOT NULL
);
 
CREATE INDEX fi 
ON dbo.accountTransaction (applicationID, transactionDate, feetypeID)
WHERE feetypeID = 1;
 
SELECT *
FROM dbo.App AS A
OUTER APPLY
(
    SELECT 
        AT.transactionDate,
        AT.applicationID,
        GroupRowNumber =
            ROW_NUMBER() OVER (
            PARTITION BY AT.applicationID
            ORDER BY AT.transactionDate DESC)
    FROM dbo.accountTransaction AS AT
    WHERE
        AT.feetypeID = 1
        AND AT.applicationID = A.ApplicationID
) AS OA;