[bc25] Update KeyguardDismissActionInteractor to account for overlays.

This expands the definition of `isOnShadeWhileUnlocked` to include the
shade when it's visible any amount, which is consistent with the compose
bouncer definition.

Bug: 356596436
Flag: com.android.systemui.scene_container
Flag: com.android.systemui.dual_shade
Test: Existing unit tests still pass.
Change-Id: Ia9d27e10bec428e69d4b8c2dba2f0c4aed6f0783