Also adds visual toggle state for toggleable buttons.
Add login support, better API state change handling.
Minor enhancements
This reverts commit 27a13eec97.
27a13eec97
Various improvements
Use gradient helper function to create toolbar tooltip gradient.
General fixes
Also adjusts opacity of toolbar.
# Conflicts: # osu.Game.Mode.Osu/UI/OsuComboCounter.cs # osu.Game.Mode.Osu/UI/OsuScoreOverlay.cs