[X11]
Added support for Astra Linux
Fixed Modal Dialogs, can no longer click in mainwindow when the dialogs are shown.
Fixed GTK file dialogs initial filename.
Fixed popup and window sizing (race condition)
Rendering stops when window minimized
Added support for Immediate Rendering.
[General]
XAML compiler can cope with "," inside selectors.
Multibinding fixed.
Fixed issue where Black areas are shown when Window Manager gives a window smaller than Apps min size.
Fixed issues with Layout causing infinity measure passes.
Fixed Context Menu causing memory leaks.
ReactiveUI initialised before AfterSetup called.