fixup! fix: add missing staff_ora_grading_url field to ORA list endpoint response

Author: dwong2708

lms/djangoapps/instructor/docs/references/instructor-v2-ora-api-spec.yaml

@@ -273,7 +273,7 @@ definitions:
         type: string
         format: uri
         description: URL to the staff grading interface for this ORA assessment
-        example: "https://courses.example.com/instructor/ora_grading/block-v1:edX+DemoX+Demo_Course+type@openassessment+block@ora1"
+        example: "http://apps.local.openedx.io:1993/ora-grading/block-v1:WGU+CS002+2025_T1+type@openassessment+block@ff4f5fddf42d4b9787e69c1a8cbeb058"
   Error:
     type: object
     description: Error response

lms/djangoapps/instructor/ora.py

@@ -62,7 +62,9 @@ def get_open_response_assessment_list(course):
         has_staff_assessment = 'staff-assessment' in block.assessment_steps
         is_team_enabled = block.teams_enabled
         if ora_grading_base_url and has_staff_assessment and not is_team_enabled:
-            # During the migration to the ORA grading microfrontend,
+            # Always generate a URL that points to the ORA Grading Microfrontend (MFE).
+            #
+            # During the migration to the ORA microfrontend,
             # only provide the grading URL for non-team assignments with staff assessment.
             # This logic was based on the original implementation in instructor_dashboard:
             #   - lms/djangoapps/instructor/views/instructor_dashboard.py