Trigger face auth as we expand from the quick settings scene to shade.

Other changes: fix typo in method `onQsExpansionStarted`

Fixes: 361673279
Test: atest DeviceEntryFaceAuthInteractorTest
Test: manually,
 1. enroll face auth
 2. open quick settings
 3. start expansion to full shade
 4. face auth should run without affecting the shade expansion
Flag: com.android.systemui.scene_container
Change-Id: Icefdda8e76368af423dcdcc18fb7fe8f43d3b0d5