Fix: Solved test issue.

src/aleph/handlers/content/vm.py

@@ -183,7 +183,7 @@ def vm_message_to_db(message: MessageDb) -> VmBaseDb:
     content = _get_vm_content(message)
     vm = _map_content_to_db_model(message.item_hash, content)
 
-    if isinstance(vm, ProgramContent):
+    if isinstance(vm, ProgramDb) and isinstance(content, ProgramContent):
         vm.program_type = content.type
         vm.persistent = bool(content.on.persistent)
         vm.http_trigger = content.on.http