Respect fullscreen overrides for desktop windowing initial bounds

If an actiivty has a fullscreen override applied, it should be treated
as a resizeable activity which matches the device orienation regardless
of it requested configuration. This means for the desktop windowing
initial bounds calcualtion, it should always be assigned the defualt
initial bounds.

Flag: com.android.window.flags.enable_windowing_dynamic_initial_bounds
Fixes: 357024772
Test: atest WmTests:DesktopModeLaunchParamsModifierTests
Test: atest WMShellUnitTests:DesktopTasksControllerTest
Change-Id: I3af94e9c450b383cf1961f5dafdccbbab6e97b41