adding blank resourceID reference

Solutions/GitHub/Workbooks/GitHubAdvancedSecurity.json

@@ -1839,6 +1839,7 @@
       }
     }
   ],
+  "fallbackResourceIds": [],
   "fromTemplateId": "sentinel-UserWorkbook-alexdemichieli-github-update-1",
   "$schema": "https://github.com/Microsoft/Application-Insights-Workbooks/blob/master/schema/workbook.json"
 }