gpui: Add `Hitbox::is_hovered_at` (#63696)
Adds `Hitbox::is_hovered_at` to improve touch selection on delta web
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Release Notes:
- N/A or Added/Fixed/Improved ...
3ce72bab20Cameron Mcloughlin committed on 9/3/2026, 2:36:51 PM· committed by GitHubparent63e31fb