Don't store workflow_path when importing invocation

It's a temporary path and probably doesn't make much sense in the
context of an imported invocation.

lib/galaxy/managers/workflows.py

@@ -592,7 +592,7 @@ def read_workflow_from_path(self, app, user, path, allow_in_directory=None) -> m
         import_options = ImportOptions()
         import_options.deduplicate_subworkflows = True
         as_dict = python_to_workflow(as_dict, galaxy_interface, workflow_directory=None, import_options=import_options)
-        raw_description = RawWorkflowDescription(as_dict, path)
+        raw_description = RawWorkflowDescription(as_dict)
         created_workflow = self.build_workflow_from_raw_description(trans, raw_description, WorkflowCreateOptions())
         return created_workflow.workflow