Capture sentiment feedback about AI feature effectiveness

[justinrobots]

Description

• Allow users to submit a 👍 or 👎 rating on all AI features that generate a summary (explain, commit composer, etc.)
• Consider providing pre-defined follow-up responses like "Output was inaccurate", etc.
• Consider allowing users to add write-in responses

Send this data via OTel (see how GKD is doing this)

Details in slack

Verification steps

• telemetry:
  • enabled
  • disabled
• toolbar buttons react to settings dynamically. Rendered Markdown - no, but after window reload the invitation to leave feedback (on a commit explanatino) appears and disappears correspondingly