Avoid nav bar leakage when remove display

Currently, we remove FragmentHostState when view detached from window.
However, there's a case that a display is removed but view has not been
yet removed from window.
Remove FragmentHostState when display is detached.

Test: manual - reproduce issue
Fixes: 144129761
Change-Id: I93594b2ba035acc514aa4c6eaacce3f79c9fa0b6