adding Group from addressings to the context in Create Shipment

transfer_worker.py

        # We use the Project context, not the app context, to evaluate the root for all local copies, which shouldn't be
        # dependent on individual Versions. This allow as well to have a template defined as a `path` template
        # instead of a `string` template and not having TK failing for a missing path on the file system.
        project_context = self._app.sgtk.context_from_entity_dictionary(
            self._app.context.project
        )
        field_data = project_context.as_template_fields(
            template,
        )

        # try and get a vendor code if there is a Group in the
        # to addressings. This will only take the first Group if
        # there are multiple
        for user in self._to_users:
            if user["type"] == "Group":
                to_group_context = self._app.sgtk.context_from_entity(
                    user["type"], user["id"]
                )
                field_data.update(
                    to_group_context.as_template_fields(template)
                )
                break

        root_path = template.apply_fields(field_data)