[Hub Generated] Review request for Microsoft.Portal to add version pr…

…eview/2020-09-01-preview (#11019)

* Updating markdownSource

* Adding format

Co-authored-by: Himanshu Chandel <hich@microsoft.com>

specification/portal/resource-manager/Microsoft.Portal/preview/2020-09-01-preview/portal.json

@@ -500,7 +500,8 @@
                       "description": "The subtitle of the markdown part."
                     },
                     "markdownSource": {
-                      "type": "object",
+                      "type": "integer",
+                      "format": "int32",
                       "description": "The source of the content of the markdown part."
                     },
                     "markdownUri": {