Refactor navigation and remove unused navigator extensions across staff features

- Removed background color from CreateOrderView, OneTimeOrderView, and RapidOrderView.
- Updated navigation paths in OneTimeOrderView and other staff authentication pages to use new constants.
- Deleted unused navigator extensions for staff authentication, home, profile, and shifts.
- Refactored navigation in StaffMainModule to use new path constants.
- Cleaned up imports and adjusted navigation calls in various staff-related pages and widgets.

apps/mobile/packages/features/staff/profile_sections/finances/staff_bank_account/lib/src/presentation/navigation/staff_bank_account_navigator.dart

@@ -1,7 +0,0 @@
-import 'package:flutter_modular/flutter_modular.dart';
-
-extension StaffBankAccountNavigator on IModularNavigator {
-  void popPage() {
-    pop();
-  }
-}

apps/mobile/packages/features/staff/profile_sections/finances/staff_bank_account/lib/src/presentation/pages/bank_account_page.dart

@@ -8,7 +8,7 @@ import 'package:krow_domain/krow_domain.dart';
 
 import '../blocs/bank_account_cubit.dart';
 import '../blocs/bank_account_state.dart';
-import '../navigation/staff_bank_account_navigator.dart';
+import 'package:krow_core/core.dart';
 import '../widgets/add_account_form.dart';
 
 class BankAccountPage extends StatelessWidget {
@@ -33,7 +33,7 @@ class BankAccountPage extends StatelessWidget {
         elevation: 0,
         leading: IconButton(
           icon: const Icon(UiIcons.arrowLeft, color: UiColors.textSecondary),
-          onPressed: () => Modular.to.popPage(),
+          onPressed: () => Modular.to.pop(),
         ),
         title: Text(
           strings.title,
@@ -118,10 +118,10 @@ class BankAccountPage extends StatelessWidget {
                                   accountNumber: account,
                                   type: type,
                                 );
-                                Modular.to.popPage();
+                                Modular.to.pop();
                               },
                               onCancel: () {
-                                Modular.to.popPage();
+                                Modular.to.pop();
                               },
                             ),
                           );