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/compliance/certificates/lib/src/presentation/navigation/certificates_navigator.dart

@@ -1,10 +0,0 @@
-import 'package:flutter_modular/flutter_modular.dart';
-
-/// Extension on [IModularNavigator] to provide strongly-typed navigation
-/// for the staff certificates feature.
-extension CertificatesNavigator on IModularNavigator {
-  /// Navigates back.
-  void popCertificates() {
-    pop();
-  }
-}

apps/mobile/packages/features/staff/profile_sections/compliance/certificates/lib/staff_certificates.dart

@@ -1,4 +1,3 @@
 library staff_certificates;
 
 export 'src/staff_certificates_module.dart';
-export 'src/presentation/navigation/certificates_navigator.dart'; // Export navigator extension

apps/mobile/packages/features/staff/profile_sections/compliance/documents/lib/src/presentation/navigation/documents_navigator.dart

@@ -1,11 +0,0 @@
-import 'package:flutter_modular/flutter_modular.dart';
-
-/// Extension on [IModularNavigator] to provide strongly-typed navigation
-/// for the staff documents feature.
-extension DocumentsNavigator on IModularNavigator {
-  /// Navigates to the document upload/view page.
-  /// [documentId] is the ID of the document to view or upload.
-  void pushDocumentDetails(String documentId) {
-    pushNamed('./details', arguments: documentId);
-  }
-}

apps/mobile/packages/features/staff/profile_sections/compliance/documents/lib/src/presentation/pages/documents_page.dart

@@ -8,7 +8,7 @@ import 'package:core_localization/core_localization.dart';
 
 import '../blocs/documents/documents_cubit.dart';
 import '../blocs/documents/documents_state.dart';
-import '../navigation/documents_navigator.dart';
+import 'package:krow_core/core.dart';
 import '../widgets/document_card.dart';
 import '../widgets/documents_progress_card.dart';
 
@@ -81,7 +81,7 @@ class DocumentsPage extends StatelessWidget {
               ...state.documents.map(
                 (StaffDocument doc) => DocumentCard(
                   document: doc,
-                  onTap: () => Modular.to.pushDocumentDetails(doc.id),
+                  onTap: () => Modular.to.pushNamed('./details', arguments: doc.id),
                 ),
               ),
             ],