Don't show dialog when device is in kiosk mode & extended mode

If a device is extended mode and in kiosk mode, then we should go
straight into mirroring without showing the dialog at all

Bug: 429288575
Test: manual testing
Flag: com.android.window.flags.enable_updated_display_connection_dialog
Change-Id: Ida4437f9cfcec4734cd1a882d1b818c3823e0a79