add ref_cat to mbi.json

csst_dag/dag_config/csst-msc-l1-mbi.json

@@ -5,11 +5,12 @@
     "dag_run": "c89d7e7a022e6f0cdf1daff921c29dbce0ac7c01",
     "batch_id": "inttest",
     "priority": 1,
-    "pmapname": "",
     "dataset": "csst-msc-c9-25sqdeg-v3",
     "instrument": "MSC",
     "obs_type": "WIDE",
     "obs_group": "W2",
     "obs_id": "10100232366",
-    "detector": "09"
+    "detector": "09",
+    "pmapname": "",
+    "ref_cat": ""
 }