fix isar user scheme

Author: denrase

flutter/example/lib/isar/user.g.dart

@@ -234,7 +234,7 @@ class MainScaffold extends StatelessWidget {
               TooltipButton(
                 onPressed: isarTest,
                 text:
-                    'Executes CRUD operations on an in-memory with Isart and sends the created transaction to Sentry.',
+                    'Executes CRUD operations on an in-memory with Isar and sends the created transaction to Sentry.',
                 buttonTitle: 'isar',
               ),
             TooltipButton(