Fix resize frame for widgets added with tap-to-add button

This change updates the tap-to-add code to wait for the animations
between each step (close widget sheet, snap to Workspace page)
to finish before continuing with the next step of the flow.

Bug: 331425905
Bug: 331699050
Test: manual
Flag: ACONFIG com.android.launcher3.enable_widget_tap_to_add TEAMFOOD
Change-Id: I774b86b429cd2e8a397e5605243056e6cea666b3