feat(dashboards): ajouter RefreshIndicator pull-to-refresh sur 4 dashboards

Le SuperAdmin dashboard avait déjà RefreshIndicator+Completer.
Les 4 autres (OrgAdmin, ActiveMember, SimpleMember, Moderator) n'en avaient pas.

Ajout sur chacun :
- RefreshIndicator avec couleur thème (gold pour OrgAdmin, unionGreen pour les autres)
- AlwaysScrollableScrollPhysics (permet pull-to-refresh même si contenu < écran)
- onRefresh dispatche LoadDashboardData avec orgId + userId du contexte courant
- Délai 1.2s pour laisser le BLoC recharger avant de masquer l'indicateur

lib/features/dashboard/presentation/pages/role_dashboards/active_member_dashboard.dart

@@ -40,7 +40,19 @@ class ActiveMemberDashboard extends StatelessWidget {
                     : null;
                 final stats = dashboardData?.stats;
 
-                return SingleChildScrollView(
+                return RefreshIndicator(
+                  color: UnionFlowColors.unionGreen,
+                  onRefresh: () async {
+                    final orgCtx = user?.organizationContexts.isNotEmpty == true
+                        ? user!.organizationContexts.first : null;
+                    context.read<DashboardBloc>().add(LoadDashboardData(
+                      organizationId: orgCtx?.organizationId ?? '',
+                      userId: user?.id ?? '',
+                    ));
+                    await Future.delayed(const Duration(milliseconds: 1200));
+                  },
+                  child: SingleChildScrollView(
+                  physics: const AlwaysScrollableScrollPhysics(),
                   padding: const EdgeInsets.all(12),
                   child: Column(
                     crossAxisAlignment: CrossAxisAlignment.start,
@@ -220,7 +232,8 @@ class ActiveMemberDashboard extends StatelessWidget {
                       ),
                     ],
                   ),
-                );
+                ),  // SingleChildScrollView
+                );  // RefreshIndicator
               },
             );
           },

lib/features/dashboard/presentation/pages/role_dashboards/moderator_dashboard.dart

@@ -43,7 +43,19 @@ class ModeratorDashboard extends StatelessWidget {
                     : null;
                 final stats = dashboardData?.stats;
 
-                return SingleChildScrollView(
+                return RefreshIndicator(
+                  color: UnionFlowColors.unionGreen,
+                  onRefresh: () async {
+                    final orgCtx = user?.organizationContexts.isNotEmpty == true
+                        ? user!.organizationContexts.first : null;
+                    context.read<DashboardBloc>().add(LoadDashboardData(
+                      organizationId: orgCtx?.organizationId ?? '',
+                      userId: user?.id ?? '',
+                    ));
+                    await Future.delayed(const Duration(milliseconds: 1200));
+                  },
+                  child: SingleChildScrollView(
+                  physics: const AlwaysScrollableScrollPhysics(),
                   padding: const EdgeInsets.all(12),
                   child: Column(
                     crossAxisAlignment: CrossAxisAlignment.start,
@@ -350,7 +362,8 @@ class ModeratorDashboard extends StatelessWidget {
                       ),
                     ],
                   ),
-                );
+                ),  // SingleChildScrollView
+                );  // RefreshIndicator
               },
             );
           },

lib/features/dashboard/presentation/pages/role_dashboards/org_admin_dashboard.dart

@@ -50,7 +50,17 @@ class OrgAdminDashboard extends StatelessWidget {
                     : null;
                 final stats = dashboardData?.stats;
 
-                return SingleChildScrollView(
+                return RefreshIndicator(
+                  color: UnionFlowColors.gold,
+                  onRefresh: () async {
+                    context.read<DashboardBloc>().add(LoadDashboardData(
+                      organizationId: orgContext?.organizationId ?? '',
+                      userId: user?.id ?? '',
+                    ));
+                    await Future.delayed(const Duration(milliseconds: 1200));
+                  },
+                  child: SingleChildScrollView(
+                  physics: const AlwaysScrollableScrollPhysics(),
                   padding: const EdgeInsets.all(12),
                   child: Column(
                     crossAxisAlignment: CrossAxisAlignment.start,
@@ -276,7 +286,8 @@ class OrgAdminDashboard extends StatelessWidget {
                       ),
                     ],
                   ),
-                );
+                ),  // SingleChildScrollView
+                );  // RefreshIndicator
               },
             );
           },

lib/features/dashboard/presentation/pages/role_dashboards/simple_member_dashboard.dart

@@ -39,7 +39,19 @@ class SimpleMemberDashboard extends StatelessWidget {
                     : null;
                 final stats = dashboardData?.stats;
 
-                return SingleChildScrollView(
+                return RefreshIndicator(
+                  color: UnionFlowColors.unionGreen,
+                  onRefresh: () async {
+                    final orgCtx = user?.organizationContexts.isNotEmpty == true
+                        ? user!.organizationContexts.first : null;
+                    context.read<DashboardBloc>().add(LoadDashboardData(
+                      organizationId: orgCtx?.organizationId ?? '',
+                      userId: user?.id ?? '',
+                    ));
+                    await Future.delayed(const Duration(milliseconds: 1200));
+                  },
+                  child: SingleChildScrollView(
+                  physics: const AlwaysScrollableScrollPhysics(),
                   padding: const EdgeInsets.all(12),
                   child: Column(
                     crossAxisAlignment: CrossAxisAlignment.start,
@@ -180,7 +192,8 @@ class SimpleMemberDashboard extends StatelessWidget {
                       ],
                     ],
                   ),
-                );
+                ),  // SingleChildScrollView
+                );  // RefreshIndicator
               },
             );
           },