chore: Adjust ticker of notifications for Android

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,