Fixed a11y refresh button issue for Documents tab

less/documentDB.less

@@ -2245,7 +2245,8 @@ a:link {
 }
 
 .refreshColHeader {
-  padding: 3px 6px 10px 0px !important;
+  padding: 3px 0px 10px 0px !important;
+  width: 15px;
 }
 
 .refreshColHeader:hover {

src/Explorer/Tabs/DocumentsTab.html

@@ -158,13 +158,13 @@
                   role="button"
                   aria-label="Refresh documents"
                   data-bind="event: { keydown: onRefreshButtonKeyDown }"
+                  tabindex="0"
                 >
                   <img
                     class="refreshcol"
                     src="/refresh-cosmos.svg"
                     data-bind="click: refreshDocumentsGrid"
                     alt="Refresh documents"
-                    tabindex="0"
                   />
                 </th>
               </tr>

src/Explorer/Tabs/QueryTab/QueryTabComponent.tsx

@@ -215,13 +215,13 @@ export default class QueryTabComponent extends React.Component<IQueryTabComponen
       {
         metric: "Request Charge",
         value: this.state.requestChargeDisplayText,
-        toolTip: "",
+        toolTip: "Request Charge",
         isQueryMetricsEnabled: true,
       },
       {
         metric: "Showing Results",
         value: this.state.showingDocumentsDisplayText,
-        toolTip: "",
+        toolTip: "Showing Results",
         isQueryMetricsEnabled: true,
       },
       {

src/Utils/EndpointValidation.ts

@@ -31,7 +31,7 @@ function validateEndpointInternal(
 
   if (!valid) {
     throw new Error(
-      `${endpointToValidate} is not an allowed endpoint. Allowed endpoints are ${allowedArmEndpoints.toString()}`
+      `${endpointToValidate} is not an allowed endpoint. Allowed endpoints are ${allowedEndpoints.toString()}`
     );
   }
 
@@ -48,12 +48,16 @@ export const allowedAadEndpoints: ReadonlyArray<string> = ["https://login.micros
 
 export const allowedBackendEndpoints: ReadonlyArray<string> = [
   "https://main.documentdb.ext.azure.com",
+  "https://main.documentdb.ext.azure.cn",
+  "https://main.documentdb.ext.azure.us",
   "https://localhost:12901",
   "https://localhost:1234",
 ];
 
 export const allowedMongoProxyEndpoints: ReadonlyArray<string> = [
   "https://main.documentdb.ext.azure.com",
+  "https://main.documentdb.ext.azure.cn",
+  "https://main.documentdb.ext.azure.us",
   "https://localhost:12901",
 ];