feat: improve JSON properties display and enable dynamic resource configuration

[OsamahDev1]

Summary

Enhances JSON properties display with smart component selection and enables custom resource classes. Fixes "[object Object]" display issue by automatically using formatted textareas for JSON data while maintaining KeyValue for simple properties. Fully backward compatible.

---

🐛 Fixes & ✨ Enhancements

1. Enhanced JSON Properties Display

Building on PR #101 with significant improvements:

• Smart detection: Auto-selects Textarea for JSON, KeyValue for simple data
• Pretty formatting: Properly indented JSON with Unicode support
• Better dates: Consistent datetime formatting
• Robust handling: Improved error handling for malformed JSON

2. Dynamic Resource Configuration

• Fixes: Hardcoded resource references preventing custom resources
• Solution: Pages now use getResource() method from config
• Enables: Custom resource classes via configuration

📸 Before vs After

Before: "settings": "[object Object]"
After:

"settings": {
    "payment": {
        "price": 1
    },
    "workflow_code": "approval-v1"
}

[alexsyvolap]

@rmsramos can you check this, please? or someone else can check this. this is very important in my project. thanks.

[alexsyvolap]

Hello. Can someone check this?

[webard]

I created a fork of this repository because my PR is waiting long time. I merged your PR info my repo: https://github.com/filamerce/filament-activitylog

[rmsramos]

Hi @OsamahDev1, could you please check your contribution again? I approved some PRs and your contribution ended up causing a conflict.
I promise I'll release it as soon as I resolve the conflict.