FSGO-Marks-Hider-4er 1.1

🚀 v1.1 – Full Path Support & UI Fixes
🔄 Changelog:
✅ Improved match rule — now works across all SGO (netschool) pages, not just the main one.

and
👁️‍🗨️ Dynamic page support — implemented MutationObserver to auto-apply changes when the page updates.

🛠 Fixed modal grade replacement — more accurate detection and replacement of "Оценка: 3" to "4".