tf-1946 add swipe to thread

tf-1946 add swipe to thread

tf-1946 fix duplicate import and change MarkReadAction

(cherry picked from commit 3fa17e200b972c3dd81ae297f19fd7b736f3845a)

lib/main/localizations/app_localizations.dart

@@ -3280,4 +3280,12 @@ class AppLocalizations {
       name: 'enterSomeSuggestions',
     );
   }
+
+  String markedSingleMessageToast(String action) {
+    return Intl.message(
+        'Message has been marked as $action',
+        name: 'markedSingleMessageToast',
+        args: [action]
+    );
+  }
 }