* Content - change the (should-be-obsolete) DisposeAllChildren into the more robust RemoveAllChildren.
* Remove duplicate calls.
---------
Co-authored-by: ElectroJr <leonsfriedrich@gmail.com>
- Change namespace, and folder of FancyWindow to Content.Client.UserInterface.Controls
- Change xaml reference from ui to controls in some places
- Change ClientAlertsSystem from internal to public
- Change namespace, and folder of HighDivider to Content.Client.UserInterface.Controls