Refactor integrate_ftrack_instances.py to update asset names for multiple reviewable items

- Add a condition to also check if multiple_reviewable is True before updating the asset name.

openpype/modules/ftrack/plugins/publish/integrate_ftrack_instances.py

@@ -354,6 +354,7 @@ class IntegrateFtrackInstance(pyblish.api.InstancePlugin):
             if (
                 not self.keep_first_subset_name_for_review
                 and extended_asset_name
+                and multiple_reviewable
             ):
                 other_item["asset_data"]["name"] = extended_asset_name