@uppy/status-bar: fix aria-hidden warning

[Murderlon]

Closes #5642

[github-actions]

Diff output files

diff --git a/packages/@uppy/status-bar/lib/StatusBarUI.js b/packages/@uppy/status-bar/lib/StatusBarUI.js
index 07a54f3..9ee577e 100644
--- a/packages/@uppy/status-bar/lib/StatusBarUI.js
+++ b/packages/@uppy/status-bar/lib/StatusBarUI.js
@@ -151,11 +151,13 @@ export default function StatusBarUI(_ref) {
   const atLeastOneAction = showUploadBtn || showRetryBtn || showPauseResumeBtn || showCancelBtn || showDoneBtn;
   const thereIsNothingInside = !atLeastOneAction && !progressBarStateEl;
   const isHidden = thereIsNothingInside || uploadState === STATE_COMPLETE && hideAfterFinish;
+  if (isHidden) {
+    return null;
+  }
   return h(
     "div",
     {
       className: statusBarClassNames,
-      "aria-hidden": isHidden,
     },
     h("div", {
       className: progressClassNames,