Merge "Detach the nav once the endTarget is determined as HOME" into sc-dev am: cd0fe7b057 am: b762b23227 am: 99ff153fab

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14811742

Change-Id: Id677516240083aab2a03ebdc514a221c4e307e9a