feat: Enhance trip management features and improve UI responsiveness

- Implemented AutomaticKeepAliveClientMixin in HomeContent to maintain state during navigation.
- Modified trip loading logic to trigger after the first frame for better performance.
- Updated trip loading events to use LoadTripsByUserId for consistency.
- Added temporary success messages for trip creation and operations.
- Improved UI elements for better user experience, including updated text styles and spacing.
- Refactored trip model to support Firestore timestamps and improved error handling during parsing.
- Streamlined trip repository methods for better clarity and performance.
- Enhanced trip service methods to ensure correct mapping from Firestore documents.
- Removed unnecessary trip reset logic on logout.

lib/components/home/show_trip_details_content.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:travel_mate/components/home/create_trip_content.dart';
 import 'package:travel_mate/data/models/trip.dart';
 
 class ShowTripDetailsContent extends StatefulWidget {
@@ -12,7 +13,7 @@ class ShowTripDetailsContent extends StatefulWidget {
 class _ShowTripDetailsContentState extends State<ShowTripDetailsContent> {
   @override
   Widget build(BuildContext context) {
-    // Détecter le thème actuel
+    
     final isDarkMode = Theme.of(context).brightness == Brightness.dark;
     final textColor = isDarkMode ? Colors.white : Colors.black;
     final secondaryTextColor = isDarkMode ? Colors.white70 : Colors.grey[600];
@@ -85,8 +86,20 @@ class _ShowTripDetailsContentState extends State<ShowTripDetailsContent> {
               width: double.infinity,
               height: 50,
               child: ElevatedButton(
-                onPressed: () {
-                  // Handle button press
+                onPressed: () async {
+                  final result = await Navigator.push(
+                    context,
+                    MaterialPageRoute(
+                      builder: (context) => CreateTripContent(
+                        tripToEdit: widget.trip,
+),
+),
+                  );
+                  
+                  
+                  if (result == true && mounted) {
+                    Navigator.pop(context, true); // Retour avec flag
+                  }
                 },
                 style: ElevatedButton.styleFrom(
                   backgroundColor: Color.fromARGB(255, 0, 123, 255),