Add undo feature to edit mode

This moves the reset button to the bottom of the Edit mode page.
It is replaced with a "Undo" button

Test: manually
Test: InfiniteGRidSnapshotViewModelTest
Test: EditModeTest
Fixes: 402816211
Fixes: 400652597
Flag: com.android.systemui.qs_ui_refactor_compose_fragment

Change-Id: Ic129a2aae0ca0b6066d1939a894d283302575494