OP-2765 - trigger failure when new instance tried to be published by Pyblish

This could happen if artist try to switch between old Pyblish and New Publish

openpype/hosts/aftereffects/plugins/publish/pre_collect_render.py

@@ -26,6 +26,10 @@ class PreCollectRender(pyblish.api.ContextPlugin):
             return
 
         for inst in list_instances():
+            if inst.get("creator_attributes"):
+                raise ValueError("Instance created in New publisher, "
+                                 "cannot be published in Pyblish")
+
             if inst["family"] not in self.family_remapping.keys():
                 continue