Fixes set lock task (and screen pinning) state with/out quickstep

When quickstep is enabled, ensures that the home button is gone when
locked to task without home access and prevents quickstep when overview
access is disabled. When quickstep is disabled, fixes recents visibility
according to overview access. Also prevent screen pinning after locking
task to app.

Bug: 72799389
Fixes: 73886663
Test: manual - use quickstep when locked to task
Change-Id: Iacfa0b12374217511602cee6c2ca5ceafd6e2964