Prompt users to set up recovery (#30075)

* Show indicator in settings dialog when user doesn't have recovery set up

* Update settings headers to use red dot for recommended settings

* update recovery setup toast and remember if the user dismisses it

* update playwright snapshots

* use typed event emitters

* reverse logic for the account data flag

* fix comment and type

res/css/views/dialogs/_SettingsDialog.pcss

@@ -30,4 +30,28 @@ Please see LICENSE files in the repository root for full details.
         /* colliding harshly with the dialog when scrolled down. */
         padding-bottom: 100px;
     }
+
+    .mx_SettingsDialog_tabLabelsAlert::after {
+        display: inline-block;
+        content: "";
+        width: 8px;
+        height: 8px;
+        background-color: var(--cpd-color-icon-critical-primary);
+        clip-path: circle(4px);
+        position: absolute;
+        right: var(--cpd-space-4x);
+    }
+}
+
+/* On narrow viewports, the tab labels are hidden, so we need to shift the indicator so it isn't over the tab icon. */
+@media (max-width: 1024px) {
+    .mx_UserSettingsDialog,
+    .mx_RoomSettingsDialog,
+    .mx_SpaceSettingsDialog,
+    .mx_SpacePreferencesDialog {
+        .mx_SettingsDialog_tabLabelsAlert::after {
+            right: var(--cpd-space-1x);
+            top: var(--cpd-space-1x);
+        }
+    }
 }

res/css/views/settings/_SettingsHeader.pcss

@@ -16,4 +16,13 @@
         font: var(--cpd-font-body-sm-medium);
         color: var(--cpd-color-text-action-accent);
     }
+
+    &.mx_SettingsHeader_recommended::after {
+        display: inline-block;
+        content: "";
+        width: 8px;
+        height: 8px;
+        background-color: var(--cpd-color-icon-critical-primary);
+        clip-path: circle(4px);
+    }
 }