fix(mobile): URL changement mdp corrigée + v3.0 — multi-org, AppAuth, sécurité prod

Auth:
- profile_repository.dart: /api/auth/change-password → /api/membres/auth/change-password

Multi-org (Phase 3):
- OrgSelectorPage, OrgSwitcherBloc, OrgSwitcherEntry
- org_context_service.dart: headers X-Active-Organisation-Id + X-Active-Role

Navigation:
- MorePage: navigation conditionnelle par typeOrganisation
- Suppression adaptive_navigation (remplacé par main_navigation_layout)

Auth AppAuth:
- keycloak_webview_auth_service: fixes AppAuth Android
- AuthBloc: gestion REAUTH_REQUIS + premierLoginComplet

Onboarding:
- Nouveaux états: payment_method_page, onboarding_shared_widgets
- SouscriptionStatusModel mis à jour StatutValidationSouscription

Android:
- build.gradle: ProGuard/R8, network_security_config
- Gradle wrapper mis à jour

lib/shared/design_system/theme/app_theme_sophisticated.dart

@@ -215,7 +215,7 @@ class AppThemeSophisticated {
   );
   
   /// Configuration des cartes sophistiquées
-  static final CardTheme _cardTheme = CardTheme(
+  static final CardThemeData _cardTheme = CardThemeData(
     elevation: SpacingTokens.elevationSm,
     shadowColor: ColorTokens.shadow,
     surfaceTintColor: ColorTokens.surfaceContainer,
@@ -368,7 +368,7 @@ class AppThemeSophisticated {
   );
 
   /// Configuration des dialogues
-  static final DialogTheme _dialogTheme = DialogTheme(
+  static final DialogThemeData _dialogTheme = DialogThemeData(
     backgroundColor: ColorTokens.surfaceContainer,
     elevation: SpacingTokens.elevationLg,
     shadowColor: ColorTokens.shadow,
@@ -419,7 +419,7 @@ class AppThemeSophisticated {
   );
 
   /// Configuration des onglets
-  static final TabBarTheme _tabBarTheme = TabBarTheme(
+  static final TabBarThemeData _tabBarTheme = TabBarThemeData(
     labelColor: ColorTokens.primary,
     unselectedLabelColor: ColorTokens.onSurfaceVariant,
     labelStyle: TypographyTokens.titleSmall,