Fix transitions to/from DREAMING with keyguard_wm_state_refactor.

DeviceEntryInteractor previously worked without flexiglass enabled, but no longer does.

Also, filter keyguard state to suppress unwanted log noise from keyguard transitions complaining about invalid states.

Bug: 278086361
Test: atest DreamManagerServiceTests
Flag: com.android.systemui.keyguard_wm_state_refactor
Change-Id: I5c90901c6f7e24deddc6b2518c7ff5bb34a36bdb