refactor: replace AttirePage's AppBar with UiAppBar and update attire page title localization.

apps/mobile/packages/features/staff/profile_sections/onboarding/attire/lib/src/presentation/pages/attire_page.dart

@@ -23,17 +23,9 @@ class AttirePage extends StatelessWidget {
       value: cubit,
       child: Scaffold(
         backgroundColor: UiColors.background, // FAFBFC
-        appBar: AppBar(
-          backgroundColor: UiColors.white,
-          elevation: 0,
-          leading: IconButton(
-            icon: const Icon(UiIcons.chevronLeft, color: UiColors.iconSecondary),
-            onPressed: () => Modular.to.pop(),
-          ),
-          title: Text(
-            t.staff_profile_attire.title,
-            style: UiTypography.headline3m.textPrimary,
-          ),
+        appBar: UiAppBar(
+          title: t.staff_profile_attire.title,
+          showBackButton: true,
           bottom: PreferredSize(
             preferredSize: const Size.fromHeight(1.0),
             child: Container(color: UiColors.border, height: 1.0),
@@ -82,7 +74,8 @@ class AttirePage extends StatelessWidget {
                         const SizedBox(height: UiConstants.space6),
                         AttestationCheckbox(
                           isChecked: state.attestationChecked,
-                          onChanged: (bool? val) => cubit.toggleAttestation(val ?? false),
+                          onChanged: (bool? val) =>
+                              cubit.toggleAttestation(val ?? false),
                         ),
                         const SizedBox(height: UiConstants.space20),
                       ],