fix(cache): detect malformed data read from storage

[zsilbi]

🔗 Linked issue

#2160

Not fixes the issue itself, but prevents any related crashes.

❓ Type of change

• 📖 Documentation (updates to the documentation, readme, or JSdoc annotations)
• 🐞 Bug fix (a non-breaking change that fixes an issue)
• 👌 Enhancement (improving an existing functionality like performance)
• ✨ New feature (a non-breaking change that adds functionality)
• 🧹 Chore (updates to the build process or auxiliary tools and libraries)
• ⚠️ Breaking change (fix or feature that would cause existing functionality to change)

📚 Description

Added a check for the cache to validate that the data read from storage is an object.
It prevents crashing the application when the read data is somehow got malformed.

📝 Checklist

• I have linked an issue or discussion.
• I have updated the documentation accordingly.

[pi0]

Thanks!