project panel: Respect y offset of a click-and-drag on a scrollbar (#13506)

Previously we've always snapped the scrollbar to the cursor position,
without regard for the position of the thumb.



Release Notes:

- N/A
6c0cb9eaa3Piotr Osiewicz committed on 6/25/2024, 12:20:37 PM· committed by GitHubparent24e7b69
2 files changedLine totals unavailable