Updated workflowstate to be a reference (#23084)

Author: alexkarcher-msft

specification/web/resource-manager/Microsoft.Web/stable/2023-01-01/WebApps.json

@@ -29822,19 +29822,7 @@
             },
             "flowState": {
               "description": "Gets or sets the state of the workflow.",
-              "enum": [
-                "NotSpecified",
-                "Completed",
-                "Enabled",
-                "Disabled",
-                "Deleted",
-                "Suspended"
-              ],
-              "type": "string",
-              "x-ms-enum": {
-                "name": "WorkflowState",
-                "modelAsString": false
-              }
+              "$ref": "#/definitions/WorkflowState"
             },
             "health": {
               "$ref": "#/definitions/WorkflowHealth",