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/structures/ReleaseAnnouncement-test.tsx

@@ -23,7 +23,7 @@ describe("ReleaseAnnouncement", () => {
     function renderReleaseAnnouncement() {
         return render(
             <ReleaseAnnouncement
-                feature="pinningMessageList"
+                feature="newRoomList_intro"
                 header="header"
                 description="description"
                 closeLabel="close"