Refactor ActivityCard UI and improve voting functionality

- Updated ActivityCard layout for better visual consistency and responsiveness.
- Simplified the category badge and adjusted styles for better readability.
- Enhanced the voting section with a progress bar and improved button designs.
- Added a new method in Activity model to check if all trip participants approved an activity.
- Improved error handling and validation in ActivityRepository for voting and fetching activities.
- Implemented pagination in ActivityPlacesService for activity searches.
- Removed outdated scripts for cleaning up duplicate images.

lib/blocs/activity/approved_activities/approved_activity_event.dart

@@ -0,0 +1,72 @@
+import 'package:equatable/equatable.dart';
+
+/// Events pour les activités approuvées par tous les participants
+abstract class ApprovedActivityEvent extends Equatable {
+  const ApprovedActivityEvent();
+
+  @override
+  List<Object?> get props => [];
+}
+
+/// Charger les activités approuvées par tous
+class LoadApprovedActivities extends ApprovedActivityEvent {
+  final String tripId;
+  final List<String> tripParticipants;
+
+  const LoadApprovedActivities({
+    required this.tripId,
+    required this.tripParticipants,
+  });
+
+  @override
+  List<Object?> get props => [tripId, tripParticipants];
+}
+
+/// Rechercher dans les activités approuvées
+class SearchApprovedActivities extends ApprovedActivityEvent {
+  final String tripId;
+  final String query;
+  final List<String> tripParticipants;
+
+  const SearchApprovedActivities({
+    required this.tripId,
+    required this.query,
+    required this.tripParticipants,
+  });
+
+  @override
+  List<Object?> get props => [tripId, query, tripParticipants];
+}
+
+/// Filtrer les activités approuvées
+class FilterApprovedActivities extends ApprovedActivityEvent {
+  final String? category;
+  final double? minRating;
+
+  const FilterApprovedActivities({
+    this.category,
+    this.minRating,
+  });
+
+  @override
+  List<Object?> get props => [category, minRating];
+}
+
+/// Rafraîchir les activités approuvées
+class RefreshApprovedActivities extends ApprovedActivityEvent {
+  final String tripId;
+  final List<String> tripParticipants;
+
+  const RefreshApprovedActivities({
+    required this.tripId,
+    required this.tripParticipants,
+  });
+
+  @override
+  List<Object?> get props => [tripId, tripParticipants];
+}
+
+/// Effacer les résultats de recherche approuvées
+class ClearApprovedSearchResults extends ApprovedActivityEvent {
+  const ClearApprovedSearchResults();
+}