fix Refresh button

Author: Nottinghster

src/index.tsx

@@ -82,14 +82,15 @@ const Content: VFC<{ serverAPI: ServerAPI }> = () => {
       <div className={gamepadDialogClasses.Field}>
         <ButtonItem
           layout="below"
-          label="Refresh"
           onClick={async () => {
             setControllers([]);
             setLoading(true);
             setControllers(await delayPromise(backend.getControllers()));
             setLoading(false);
           }}
-        />
+        >
+          Refresh
+        </ButtonItem>
       </div>
     </PanelSectionRow >
   );