Allows it to integrate better with existing buttons, like HeaderButton.
Update framework to .NET Core 2.1
Fix TestCaseBeatmapCarousel occasionally failing
Fix initial state of visual settings expand button colour
Default ParticipantCount.Max to null
Fix song progress elapsed time rounding up on some cultures
Add storyboard icon and fix preview button overlap on direct panels
Change Room.Participants to an IEnumerable
Multiplayer shared logic encapsulation
Centralise beatmap set cover update logic
Match authorinfo with web