this bug was kind of hidden because we were re-writing claimed wallet addresses to the reserved usernames table, so the identity search index was still being populated with all the addresses -- just from the wrong source. after D12831, we're no longer re-writing claimed wallet addresses to the reserved usernames table, so the identity search index will not contain claimed/registered wallet addresses. by modifying get_all_user_details to return wallet addresses, we resolve this issue.
Depends on D12831