Test: Command Center shows a few modes inline

[TylerLeonhardt]

Refs: #158638

• anyOS @sandy081
• anyOS @devinvalenciano

Complexity: 2

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This iteration we added the first item for making the Command Center feel like a "center"... that's the ability to use it as a jumping off point to other Quick Access Providers.

• Test that the Command Center shows new modes at the top:

• That the carrot that would show you all the modes is gone (replaced with this inline experience)
• Go into a mode and then backspace out which should bring you back to the CC
• Make sure the existing keybindings like cmd+p don't show this experience and that it's exclusive to opening the File picker using the CC