feat: Propagate user profile updates to group member details and remove trip code sharing UI.

lib/components/home/show_trip_details_content.dart

@@ -657,38 +657,6 @@ class _ShowTripDetailsContentState extends State<ShowTripDetailsContent> {
                         _handleLeaveTrip(currentUser);
                       },
                     ),
-                  ListTile(
-                    leading: Icon(
-                      Icons.share,
-                      color: theme.colorScheme.onSurface,
-                    ),
-                    title: Text(
-                      'Partager le code',
-                      style: theme.textTheme.bodyLarge?.copyWith(
-                        color: theme.colorScheme.onSurface,
-                      ),
-                    ),
-                    onTap: () {
-                      Navigator.pop(context);
-                      // Implement share functionality
-                      if (_group != null) {
-                        // Use share_plus package to share the code
-                        ScaffoldMessenger.of(context).showSnackBar(
-                          SnackBar(
-                            content: Text('ID du groupe : ${_group!.id}'),
-                            action: SnackBarAction(
-                              label: 'Copier',
-                              onPressed: () {
-                                Clipboard.setData(
-                                  ClipboardData(text: _group!.id),
-                                );
-                              },
-                            ),
-                          ),
-                        );
-                      }
-                    },
-                  ),
                 ],
               ),
             );