Bookmarks: New toolbar for sorting feature flag

[malmstein]

Task/Issue URL: https://app.asana.com/0/1174433894299346/1209107275709085/f

Description

This PR adds the new toolbar for the Bookmarks screen under the feature flag
Note that the select sort icon doesn’t react to changes yet

Steps to test this PR

Toolbar functionality

• Enable “bookmarksSorting” feature flag
• Add a 4 bookmarks and open the bookmarks screen
• Tap on the add folder icon
• Verify Add folder screen opens
• Tap on the overflow menu
• Verify the new menu appear (Sort options available)
• Go back and add another bookmark
• Open bookmarks again
• Verify Search icon appears
• Tap on search icon
• Run some queries verify filter still works

UI changes

New	Old

[malmstein]

• Bookmarks: New toolbar for sorting feature flag #5452 👈 (View in Graphite)
• develop

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