Adjust UI for gutter right-click menus (#54681)

- Don't render the tooltip while the menu is open to avoid collision
- Try to maintain the trigger element visible while the menu is open
- Tweak bookmarks icon and tooltip description copy

Release Notes:

- N/A

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Co-authored-by: Yara 🏳️‍⚧️ <git@yara.blue>
Co-authored-by: Joseph T. Lyons <JosephTLyons@gmail.com>
c6bdb69734Danilo Leal committed on 4/23/2026, 5:05:51 PM· committed by GitHubparent1b277fe
3 files changedLine totals unavailable