Reproduction steps:
1. Open the attached “VisualElementCursorBugReport.zip” project
2. Open the custom “Test” Editor window from the top menu (Test > Test)
3. Move the mouse over the “Test” window
Expected result: The mouse cursor style changes
Actual result: The mouse cursor style does not change
Reproducible with: 2021.3.38f1, 2022.3.29f1, 6000.0.4f1
Reproducible on: Fedora 38 (by user), Windows 10 (by user), Windows 11
Not reproducible on: no other environment tested