This is important when using dynamic compiling to rapidly iterate. Until we actually split projects out into pieces (like the abstract ruleset project we have talked about) there is no advantage to using internal in the osu! game code.
When logging in or out the size of the login button would not correctly update,
resulting in a messed-up flow of toolbar buttons. This branch fixes the problem
by avoiding an invalidation-chain-breaking override of Size. Instead, the loginOverlay
bypasses auto sizing by using a new framework feature.
