Bug 1824415 [wpt PR 39190] - Deflake permission observation WPT by ignoring the event target, a=testonly

Automatic update from web-platform-tests
Deflake permission observation WPT by ignoring the event target

This just hides the underlying problem, that the event is being fired
at the wrong target sometimes (if my hypothesis is correct, anyway).
But it will fix the flake, so we don't have to disable this test or
ignore its status.

Bug: 1427214
Change-Id: Ic97acb53d95077264e34253adc25a125b3ce1685
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4368364
Commit-Queue: Chris Fredrickson <cfredric@chromium.org>
Auto-Submit: Chris Fredrickson <cfredric@chromium.org>
Reviewed-by: Johann Hofmann <johannhof@chromium.org>
Commit-Queue: Johann Hofmann <johannhof@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1121755}

--

wpt-commits: 9a351c2a10bebd22e29dd5c47544c91fe02b0ecb
wpt-pr: 39190

testing/web-platform/tests/storage-access-api/resources/embedded_responder.js

@@ -34,7 +34,7 @@ window.addEventListener("message", async (event) => {
     case "observe_permission_change":
       const status = await navigator.permissions.query({name: "storage-access"});
       status.addEventListener("change", (event) => {
-        reply(event.target.state)
+        reply(status.state)
       }, { once: true });
       break;
     case "reload":