Return all calcs of upload in mirror API.

nomad/api/mirror.py

@@ -90,6 +90,6 @@ class MirrorUploadResource(Resource):
         return {
             'upload_id': upload.upload_id,
             'upload': upload.to_json(),
-            'calcs': [calc.to_json() for calc in upload.calcs],
+            'calcs': [calc.to_json() for calc in proc.Calc.objects(upload_id=upload.upload_id)],
             'upload_files_path': upload.upload_files.os_path
         }, 200