Shortcuts missing from keyguard preview renderer

The keyguardRootViewVisibilityState needs to be collected starting in State.STARTED to have parity with the prior implementation in KeyguardBottomareaViewBinder

Bug: 298053895
Test: manual - look at wallpaper picker, observe shortcuts displaying as expected
Change-Id: If066ee431ab30ce502e7efeae3f6bed56473e8eb