[web] introduce useSortedENSResolvedUsers

Summary: Got some feedback in D10822 about sorting the users AFTER resolving ENS names. Noticed we needed to make this change in two places in AddUsersList + we will probably want to reuse this logic for the chat members list, so created this hook to factor out the shared logic

Test Plan:
Please see the screenshots below

Before:

After:

Reviewers: atul, inka

Reviewed By: atul

Subscribers: ashoat, tomek

Differential Revision: https://phab.comm.dev/D10897