[CP] Fix Drawer prematurely snapping #154722
Description
Issue Link
Target
stable
Cherry pick PR Link
Changelog Description
The Drawer widget will snap completely open or shut after being dragged more than halfway.
Impacted Users
This affects everyone who has a Drawer widget in their mobile app.
Impact Description
Fortunately, the impact of this issue is limited to visual jank. But it will likely be widespread across app developers.
Workaround
There isn't a workaround for this.
Risk
low
Test Coverage
yes
Validation Steps
This fix is covered by the test added in the linked pull request. It also can be verified by opening a mobile Flutter app and dragging a Drawer open or shut.