Fix issues list Export CSV to accept all filters [BE]

On the project issues list, you can filter the list by Label=Category:Team Planning (e.g. https://gitlab.com/gitlab-org/gitlab/-/issues/?sort=created_date&state=opened&label_name%5B%5D=Category%3ATeam%20Planning) then do Export as CSV to get an exported list of the filtered issues.

However, when filtering by the following attributes, the exported CSV contains all issues instead of the expected filtered issues.

header	header
Health status	http://127.0.0.1:3000/flightjs/Flight/-/issues/?sort=created_date&state=opened&health_status=onTrack
Iteration	http://127.0.0.1:3000/flightjs/Flight/-/issues/?sort=created_date&state=opened&iteration_cadence_id=Any%267001
Type	http://127.0.0.1:3000/flightjs/Flight/-/issues/?sort=created_date&state=opened&issue_types=objective
Search within title	http://127.0.0.1:3000/flightjs/Flight/-/issues/?sort=created_date&state=opened&in=TITLE&search=test
Search within description	http://127.0.0.1:3000/flightjs/Flight/-/issues/?sort=created_date&state=opened&in=DESCRIPTION&search=test

Acceptance criteria

• User can filter by Health status, Weight, Iteration, Type, Search within title, or Search within description, then export to CSV with the expected filtered issues