Update task bar icon alignment logic when launcher is paused and resumed in Overview

If launcher is paused and resumed in overview, goingToUnstashedLauncherStateChanged doesn't change, so we should not use goingToUnstashedLauncherState as a signal for the end value of mIconAlignmentForResumedState anim

Bug: 223109070
Test: go to overview, use the share functionality, share to drive, and make sure task bar ends up in stashed state. Making sure that it never unstashes is out of scope for this change
Change-Id: I5684be6b58279a9b41e257dd72591f7d692c2fbc