Fixed a11y graph properties type issue

src/Explorer/Graph/GraphExplorerComponent/EditorNodePropertiesComponent.tsx

@@ -222,6 +222,7 @@ export class EditorNodePropertiesComponent extends React.Component<EditorNodePro
                     this.props.onUpdateProperties(this.props.editedProperties);
                   }}
                   required
+                  aria-label="Select Type"
                 >
                   {EditorNodePropertiesComponent.VERTEX_PROPERTY_TYPES.map((type: string) => (
                     <option value={type} key={type}>

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",
 ];