To avoid potentially hovering over the rotation control instead of wherever the test desired to move the mouse to.
TestSceneEditorSummaryTimeline
Update timeline slider/spinner apperance
Fix ctrl-dragging on an existing selection unexpectedly causing deselection
Could interfere with other tests due to causing crashes on attempts to change `Beatmap.Value`.
Co-authored-by: Bartłomiej Dach <dach.bartlomiej@gmail.com>
Post-merge, it was failing because somewhere along the way `EditorClockTestScene` started expecting inheritors to set the beatmap themselves explicitly in BDL.
Closes #10898.