git_ui: Add tooltip for branch picker items (#38261)
Closes #38256
<img width="300" alt="image"
src="https://github.com/user-attachments/assets/5018951f-0f1b-4d5d-b59d-5b5266380e43"
/>
Release Notes:
- Added tooltip to Git branch picker items, making it easier to
distinguish long branch names.
e885a939baSmit Barmase committed on 9/16/2025, 2:36:32 PM· committed by GitHubparenta01a2ed