Update OOjs UI to v0.1.0-pre (9aad824bd6)

New changes:
414c051 build: Update jscs and use new "wikimedia" preset
0401aff Accessibility: Set aria-hidden attribute on elements while dialogs are open
9aad824 Revert "Accessibility: Restore element focus when a window closes"

Change-Id: I8df631bdce8446ab9845c4e971c2c58cf94bc7e4