files might need moving after metadata change

oml/item/models.py

@@ -406,6 +406,8 @@ class Item(db.Model):
                     record[key] = self.meta[key] = [] if key in self.array_keys else ''
                 self.update(sync_modified)
                 self.save()
+                for f in self.files.all():
+                    f.move()
                 user = state.user()
                 if record and user in self.users:
                     Changelog.record(user, 'edititem', self.id, record, _ts=self.modified)