Fix incorrect xmldoc in OsuAnimatedButton
Fix sizing of OsuAnimatedButton and OsuClickableContainer
When Enabled's value has been changed to true, it will now check if it is currently howered, and if yes, it will fade in correctly.
Not being used directly, so we probably shouldn't support it for now.
Was incorrect under some combinations of relative and autosize usage.
Not all icons are available in fonts so IconUsage alone is not enough to cover all scenarios.