Migrate 2 components to Pajamas

This is a meta issue to track the development of groupcode review frontend for migrating components to Pajamas.

• #353744 (closed)
  • !82755 (merged)
• #361141 (closed)

Previous; too big to get done now:

• #230769
  • !81502 (merged)
  • !81499 (closed)
• #361142 (closed)

Relates https://gitlab.com/gitlab-org/ecosystem-stage/team-tasks/-/issues/110