Add read-only combo colour display to setup screen
OsuColour
Update framework
Record every 60fps interval
Timing screen more updates
Update the design of the editor timing screen
Reset SessionStatics on inactivity
TimingScreen
Fix download button check icon not scaling on mouse down
Also annotate the field on `EditorBeatmap` as nullable for future travelers.
Will be removed once combo colours are mutable.
Logic is shared with the timeline blueprints which also have the same problem of displaying text on top of a combo colour. Slightly modified the formula. Seems to yield better results on a subjective check.