Fix Flutter Local Notifications Icon is Square Grey

I'm seeking an experienced Flutter developer to troubleshoot an issue with scheduled local notifications icon not appearing on both iOS and Android platforms. I'm currently using the Flutter Local Notifications plugin. Icon its just grey.

Requirements:
- Expertise in Flutter and Dart
- Proficiency with Flutter Local Notifications
- Experience in debugging notification issues on both iOS and Android
- Ability to provide a solution and, if necessary, update the app code

Ideal Skills:
- Mobile app development experience
- Knowledge of iOS and Android notification systems
- Strong problem-solving skills

Please include relevant experience in your bid.