Admin page for viewing all positions in a recruitment

[Snorre98]

http://localhost:3000/control-panel/recruitment/:recruitmentId/all-positions/

There is alot what has to be done before this can be completed.

• either update the table component to handle multiple rows within elements or find a completely diffrent way of showing all applications is a similar way to nested tables.
• add ability to set interview for multiple applications at once (frontend on SetInterviewsManuallyModal, backend to handle setting interviews for multiple positions)
• ability to sort applicants on similar position application combination, and or ability to filter applicants on a set of positions (with multi select?)
• ability to filter by section
• ability to sort by gang
• (not needed) set interviews for all applicants

Concept of UI: