Add support for deleting objects when Shift is held down
Previously it would react to any selection changed event, which could in lude time changes (which is done by removing then adding the ControlPointGroup). Closes #10590.
Fix editor not seeking by full beat when track is playing
This is expected behaviour as my osu-stable, and I still stand behind the reasoning behind it. Closes #10519.
Reset new combo button state after successful placement
Fix bar lines ("down beat" as people call it) showing up too often in timeline
Add "reverse pattern" support to editor selection handler
Fix editor playing deleted beatmap's track on exit-without-save