TAC: Release Announcement (#12380)

* WIP

* Store the release announcements in the account settings

* Update TAC release announcement description

* Fix settings content comparison

* Add logging in case of failure

* Watch settings changes

* I add release announcement settings to disable it

* Disable release announcement in e2e test

* Add release announcement in e2e test

* Add tests for ReleaseAnnouncementStore.ts

* Update compound-web to `3.3.0`

* Update TAC tests

* Update Labs tests

* Nits

* Add test for ReleaseAnnouncement.tsx

* Update `@vector-im/compound-web`

* Add playwright snapshot

* Delete false playwright screenshot

* Wait for EW to be displayed after reload

* Add screenshot

* Clean util file

* Renaming and comments fixing

* Use second store instead of looking in the store.

---------

Co-authored-by: R Midhun Suresh <hi@midhun.dev>

playwright/e2e/release-announcement/releaseAnnouncement.spec.ts

@@ -0,0 +1,44 @@
+/*
+ *
+ * Copyright 2024 The Matrix.org Foundation C.I.C.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * /
+ */
+
+import { test, expect } from "./";
+
+test.describe("Release announcement", () => {
+    test.use({
+        config: {
+            features: {
+                feature_release_announcement: true,
+            },
+        },
+        labsFlags: ["threadsActivityCentre"],
+    });
+
+    test("should display the release announcement process", async ({ page, app, util }) => {
+        // The TAC release announcement should be displayed
+        await util.assertReleaseAnnouncementIsVisible("Threads Activity Centre");
+        // Hide the release announcement
+        await util.markReleaseAnnouncementAsRead("Threads Activity Centre");
+        await util.assertReleaseAnnouncementIsNotVisible("Threads Activity Centre");
+
+        await page.reload();
+        // Wait for EW to load
+        await expect(page.getByRole("navigation", { name: "Spaces" })).toBeVisible();
+        // Check that once the release announcement has been marked as viewed, it does not appear again
+        await util.assertReleaseAnnouncementIsNotVisible("Threads Activity Centre");
+    });
+});