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- Removed outdated scripts for cleaning up duplicate images.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/db_activities/db_activity_event.dart

@@ -0,0 +1,143 @@
+import 'package:equatable/equatable.dart';
+import '../../../models/activity.dart';
+
+/// Events pour les activités de la base de données
+abstract class DbActivityEvent extends Equatable {
+  const DbActivityEvent();
+
+  @override
+  List<Object?> get props => [];
+}
+
+/// Charger les activités d'un voyage depuis la DB
+class LoadDbActivities extends DbActivityEvent {
+  final String tripId;
+  final List<String> tripParticipants;
+
+  const LoadDbActivities({
+    required this.tripId,
+    required this.tripParticipants,
+  });
+
+  @override
+  List<Object?> get props => [tripId, tripParticipants];
+}
+
+/// Rechercher des activités dans la DB
+class SearchDbActivities extends DbActivityEvent {
+  final String tripId;
+  final String query;
+  final List<String> tripParticipants;
+
+  const SearchDbActivities({
+    required this.tripId,
+    required this.query,
+    required this.tripParticipants,
+  });
+
+  @override
+  List<Object?> get props => [tripId, query, tripParticipants];
+}
+
+/// Ajouter une activité à la DB
+class AddDbActivity extends DbActivityEvent {
+  final Activity activity;
+
+  const AddDbActivity({required this.activity});
+
+  @override
+  List<Object?> get props => [activity];
+}
+
+/// Ajouter plusieurs activités à la DB
+class AddDbActivitiesBatch extends DbActivityEvent {
+  final List<Activity> activities;
+
+  const AddDbActivitiesBatch({required this.activities});
+
+  @override
+  List<Object?> get props => [activities];
+}
+
+/// Voter pour une activité
+class VoteForDbActivity extends DbActivityEvent {
+  final String activityId;
+  final String userId;
+  final bool isUpvote;
+
+  const VoteForDbActivity({
+    required this.activityId,
+    required this.userId,
+    required this.isUpvote,
+  });
+
+  @override
+  List<Object?> get props => [activityId, userId, isUpvote];
+}
+
+/// Supprimer une activité
+class DeleteDbActivity extends DbActivityEvent {
+  final String activityId;
+
+  const DeleteDbActivity({required this.activityId});
+
+  @override
+  List<Object?> get props => [activityId];
+}
+
+/// Filtrer les activités
+class FilterDbActivities extends DbActivityEvent {
+  final String? category;
+  final bool? showFavorites;
+
+  const FilterDbActivities({
+    this.category,
+    this.showFavorites,
+  });
+
+  @override
+  List<Object?> get props => [category, showFavorites];
+}
+
+/// Rafraîchir les activités
+class RefreshDbActivities extends DbActivityEvent {
+  final String tripId;
+  final List<String> tripParticipants;
+
+  const RefreshDbActivities({
+    required this.tripId,
+    required this.tripParticipants,
+  });
+
+  @override
+  List<Object?> get props => [tripId, tripParticipants];
+}
+
+/// Mettre à jour une activité
+class UpdateDbActivity extends DbActivityEvent {
+  final Activity activity;
+
+  const UpdateDbActivity({required this.activity});
+
+  @override
+  List<Object?> get props => [activity];
+}
+
+/// Basculer le favori d'une activité
+class ToggleDbActivityFavorite extends DbActivityEvent {
+  final String activityId;
+  final String userId;
+
+  const ToggleDbActivityFavorite({
+    required this.activityId,
+    required this.userId,
+  });
+
+  @override
+  List<Object?> get props => [activityId, userId];
+}
+
+/// Effacer les résultats de recherche
+class ClearDbSearchResults extends DbActivityEvent {
+  const ClearDbSearchResults();
+}