fix(FeedbackButtons): wrap each button in its own PopoverTrigger [Trivial]

[MrOrz]

Summary

• Replaces a single PopoverTrigger wrapping a <div> with individual PopoverTrigger per button
• Fixes a Base UI console warning: trigger expected a native <button> but received a <div> via the render prop
• Removes now-unnecessary e.stopPropagation() call

Test plan

• Thumb up / thumb down buttons still open the feedback popover
• Re-clicking the same button closes the popover and clears the selection
• No Base UI warning in browser console

Before

(Only exists on localhost)

After

voting.mp4

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[claude]

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[gemini-code-assist]

Code Review

This pull request refactors the FeedbackButtons component by moving the PopoverTrigger to wrap individual buttons and removing event propagation. The review identifies a bug where the popover closes prematurely when switching between feedback types due to the missing event handling, suggesting the use of e.preventDefault(). Furthermore, the use of multiple PopoverTrigger components within a single Popover is noted as a non-standard pattern that could lead to accessibility and focus management issues.