Release announcement for new room list (#30675)

* Release announcement for new room list

* Update snapshots

* Update release announcement tests

* worryingly large snapshot update

* Remove the pinned message release anncounement

* Hopefully fix e2e tests

add missing e2e screenshot and remove one for removed test

* Remove unused i18n strings

* Fix screenshot

* Try straight on the quick settings button

* unused import

* update snapshots

* Fix settings location

test/unit-tests/components/views/spaces/__snapshots__/QuickSettingsButton-test.tsx.snap

@@ -3,7 +3,8 @@
 exports[`QuickSettingsButton should render the quick settings button in expanded mode 1`] = `
 <DocumentFragment>
   <div
-    aria-expanded="true"
+    aria-expanded="false"
+    aria-haspopup="dialog"
     aria-label="Quick settings"
     class="mx_AccessibleButton mx_QuickSettingsButton expanded"
     role="button"

test/unit-tests/components/views/spaces/__snapshots__/SpacePanel-test.tsx.snap

@@ -264,6 +264,7 @@ exports[`<SpacePanel /> should show all activated MetaSpaces in the correct orde
     </div>
     <div
       aria-expanded="false"
+      aria-haspopup="dialog"
       aria-label="Quick settings"
       class="mx_AccessibleButton mx_QuickSettingsButton"
       role="button"