collab: Fix exact extension filtering (#14591)

This PR fixes the exact extension filtering introduced in #14588.

As we traversed the extensions we were always updating `exact_match`,
regardless of whether it matched the extension ID from the filter.

Release Notes:

- N/A
ef5305869fMarshall Bowers committed on 7/16/2024, 7:18:48 PM· committed by GitHubparent8028e7f
1 file changedLine totals unavailable