Update flags for all displays navbars when launcher binds to sysui

Previously we were only updating flags for the default display navigation bar. Now, all are updated and sent to launcher when it binds.

Bug: 362719719
Bug: 398011576
Test: LauncherProxyServiceTest
Flag: com.android.systemui.shade_window_goes_around
Change-Id: Ib77faec07da9d025d459cc9de24b4bda46615c85