Stop edit mode if the shade is closed

Due to always compose, closing the shade would not cause edit mode to
stop (as it was not removed from the composition). Instead, do it
manually.

Test: manual, fold with edit mode open
Fixes: 406667719
Fixes: 407965426
Flag: com.android.systemui.qs_ui_refactor_compose_fragment
Change-Id: I08ad2a208410bb8e5284ce04e75c50d9c9aa397f