Caused regression on various windows being misplaces after hot-reload (eg. BT editor).
This reverts commit 470a2220ee, reversing
changes made to 4d6fe760c1.
# Conflicts:
# Source/Editor/GUI/Docking/FloatWindowDockPanel.cs
Recreated asset editor windows are now reattached to the native window
after scripts reload to keep the current state and Z-order of the
windows untouched on platforms where window state can't be changed
without user interaction (Wayland).