chore: Adjust ticker of notifications for Android

assets/l10n/intl_en.arb

@@ -2485,5 +2485,13 @@
     "stickers": "Stickers",
     "discover": "Discover",
     "commandHint_ignore": "Ignore the given matrix ID",
-    "commandHint_unignore": "Unignore the given matrix ID"
+    "commandHint_unignore": "Unignore the given matrix ID",
+    "unreadChatsInApp": "{appname}: {unread} unread chats",
+    "@unreadChatsInApp": {
+        "type": "text",
+        "placeholders": {
+            "appname": {},
+            "unread": {}
+        }
+    }
 }

lib/utils/push_helper.dart

@@ -58,7 +58,10 @@ Future<void> pushHelper(
           AppConfig.pushNotificationsChannelId,
           l10n.incomingMessages,
           number: notification.counts?.unread,
-          ticker: l10n.unreadChats(notification.counts?.unread ?? 1),
+          ticker: l10n.unreadChatsInApp(
+            AppConfig.applicationName,
+            (notification.counts?.unread ?? 0).toString(),
+          ),
           importance: Importance.high,
           priority: Priority.max,
           shortcutId: notification.roomId,
@@ -277,7 +280,14 @@ Future<void> _tryPushHelper(
           groupConversation: !event.room.isDirectChat,
           messages: [newMessage],
         ),
-    ticker: l10n.unreadChats(notification.counts?.unread ?? 1),
+    ticker: event.calcLocalizedBodyFallback(
+      matrixLocals,
+      plaintextBody: true,
+      withSenderNamePrefix: true,
+      hideReply: true,
+      hideEdit: true,
+      removeMarkdown: true,
+    ),
     importance: Importance.high,
     priority: Priority.max,
     groupKey: notificationGroupId,