Change Details

Tested that if incremental state sync is dispatched then for new user infos their username is set to `null` and for old user infos (that the clients already has in their store) username is unchanged.

Tested that if incremental state sync (or process updates) is dispatched, then for new user infos their username is set to `null` and for old user infos (that the clients already has in their store) username is unchanged.

Tested that if incremental state sync (or process updates) is dispatched, then for new user infos their username is set to `null` and for old user infos (that the clients already has in their store) username is unchanged.