Merge "Fix UI overlapping and void space in the full widgets picker" into sc-dev am: bcf85de807 am: 25ede37fc0

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14442204

Change-Id: I762b51452efacbafd0c6e4a57e03945beaf69bef