TF-1915 Show toast message when connected to the internet

(cherry picked from commit a1f466725cf1896cfb43144d41c6806a074e06eb)

lib/main/localizations/app_localizations.dart

@@ -2988,4 +2988,11 @@ class AppLocalizations {
       name: 'error',
     );
   }
+
+  String get connectedToTheInternet {
+    return Intl.message(
+      'Connected to the internet',
+      name: 'connectedToTheInternet'
+    );
+  }
 }