Customizer: Remove date filter from the Header/Background Image upload frames.

Adds an option to `wp.media.view.AttachmentsBrowser` to hide the date filter added in [29813].

see #30689.
Built from https://develop.svn.wordpress.org/trunk@30872


git-svn-id: http://core.svn.wordpress.org/trunk@30862 1a063a9b-81f0-0310-95a4-ce76da25c4cd