FE: Add "Test Run" tab to policy drawer

Why are we doing this work

Relevant links

Design

Non-functional requirements

• Documentation:
• Feature flag:
• Performance:
• Testing:

Implementation plan

• frontend Add "Test Run" tab to policy drawer
• frontend Add project selection to "Test Run" tab
  • On group-level, only show projects allowed by user
  • On project-level, hide
  • See more information at #557373.png#note_3050321358
• frontend Add "Test run" button to "Test Run" tab
• frontend Add "Results" section to "Test Run" tab

Verification steps