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/client/create_order/lib/src/presentation/pages/permanent_order_page.dart

@@ -16,7 +16,6 @@ class PermanentOrderPage extends StatelessWidget {
         t.client_create_order.permanent;
 
     return Scaffold(
-      backgroundColor: UiColors.bgPrimary,
       appBar: UiAppBar(
         title: labels.title,
         onLeadingPressed: () => Modular.to.navigate(ClientPaths.createOrder),

apps/mobile/packages/features/client/create_order/lib/src/presentation/pages/recurring_order_page.dart

@@ -16,7 +16,6 @@ class RecurringOrderPage extends StatelessWidget {
         t.client_create_order.recurring;
 
     return Scaffold(
-      backgroundColor: UiColors.bgPrimary,
       appBar: UiAppBar(
         title: labels.title,
         onLeadingPressed: () => Modular.to.toClientHome(),

apps/mobile/packages/features/client/create_order/lib/src/presentation/widgets/create_order/create_order_view.dart

@@ -40,7 +40,6 @@ class CreateOrderView extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return Scaffold(
-      backgroundColor: UiColors.bgPrimary,
       appBar: UiAppBar(
         title: t.client_create_order.title,
         onLeadingPressed: () => Modular.to.toClientHome(),

apps/mobile/packages/features/client/create_order/lib/src/presentation/widgets/one_time_order/one_time_order_view.dart

@@ -33,7 +33,7 @@ class OneTimeOrderView extends StatelessWidget {
             message: labels.success_message,
             buttonLabel: labels.back_to_orders,
             onDone: () => Modular.to.pushNamedAndRemoveUntil(
-              '/client-main/orders/',
+              ClientPaths.orders,
               (_) => false,
               arguments: <String, dynamic>{
                 'initialDate': state.date.toIso8601String(),
@@ -45,7 +45,6 @@ class OneTimeOrderView extends StatelessWidget {
         if (state.vendors.isEmpty &&
             state.status != OneTimeOrderStatus.loading) {
           return Scaffold(
-            backgroundColor: UiColors.bgPrimary,
             body: Column(
               children: <Widget>[
                 OneTimeOrderHeader(
@@ -84,7 +83,6 @@ class OneTimeOrderView extends StatelessWidget {
         }
 
         return Scaffold(
-          backgroundColor: UiColors.bgPrimary,
           body: Column(
             children: <Widget>[
               OneTimeOrderHeader(

apps/mobile/packages/features/client/create_order/lib/src/presentation/widgets/rapid_order/rapid_order_view.dart

@@ -75,7 +75,6 @@ class _RapidOrderFormState extends State<_RapidOrderForm> {
         }
       },
       child: Scaffold(
-        backgroundColor: UiColors.bgPrimary,
         body: Column(
           children: <Widget>[
             RapidOrderHeader(