Fix issue that widgets with config activity jump

This also linked to the overlap we were seeing in
bug 331816144 (as can be seen in before and after video)

Bug: N/A
Test: See videos
Flag: aconfig launcher.enable_add_app_widget_via_config_activity_v2 NEXTFOOD
Change-Id: I21717e0c4d4eab7efa1746e46d3218b8b3cee4ef