Properly test JSC for template_app e2e tests (#48656)

Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/48656

While working on 0.78, I realize we were not testing the template app with JSC.

This change should fix this.

## Changelog:
[Internal] - Disable Hermes for the JSC E2E tests with Maestro

Reviewed By: cortinico, fabriziocucci

Differential Revision: D68147849

fbshipit-source-id: 4fbe005b5d04d6163a37041d1bd57fd48a9dfda8