feat: add current events section for equipment with dynamic status calculation

em2rp/lib/providers/event_provider.dart

@@ -1,5 +1,6 @@
 import 'package:cloud_firestore/cloud_firestore.dart';
 import 'package:flutter/material.dart';
+import 'package:em2rp/services/equipment_status_calculator.dart';
 import '../models/event_model.dart';
 
 class EventProvider with ChangeNotifier {
@@ -120,6 +121,10 @@ class EventProvider with ChangeNotifier {
     try {
       await _firestore.collection('events').doc(eventId).delete();
       _events.removeWhere((event) => event.id == eventId);
+
+      // Invalider le cache des statuts d'équipement
+      EquipmentStatusCalculator.invalidateGlobalCache();
+
       notifyListeners();
     } catch (e) {
       print('Error deleting event: $e');