fix storage swaggers (Azure#17423)

* fix storage swaggers

* add lro headers

Author: ArcturusZhang

specification/storage/resource-manager/Microsoft.Storage/stable/2021-08-01/examples/BlobRangesRestore.json

@@ -3,7 +3,7 @@
     "subscriptionId": "{subscription-id}",
     "resourceGroupName": "res9101",
     "accountName": "sto4445",
-    "api-version": "2020-08-01-preview",
+    "api-version": "2020-08-01",
     "parameters": {
       "timeToRestore": "2019-04-20T15:30:00.0000000Z",
       "blobRanges": [
@@ -20,6 +20,9 @@
   },
   "responses": {
     "200": {
+      "header": {
+        "location": "https://management.azure.com/subscriptions/{subscription-id}/resourceGroups/res9101/providers/Microsoft.Storage/locations/eastus/operationResults/00000000-0000-0000-0000-000000000000?api-version=2020-08-01"
+      },
       "body": {
         "status": "Complete",
         "restoreId": "{restore_id}",

specification/storage/resource-manager/Microsoft.Storage/stable/2021-08-01/storage.json

@@ -1719,10 +1719,10 @@
               "$ref": "#/definitions/ErrorResponse"
             }
           }
+        },
+        "x-ms-pageable": {
+          "nextLinkName": null
         }
-      },
-      "x-ms-pageable": {
-        "nextLinkName": null
       }
     },
     "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Storage/storageAccounts/{accountName}/localUsers/{username}": {