feat: Refactor bank account handling in billing and staff modules

- Introduced new bank account entities: BusinessBankAccount and StaffBankAccount.
- Updated bank account adapter to handle new entities.
- Removed legacy BankAccount entity and its adapter.
- Implemented use case for fetching bank accounts in billing repository.
- Updated BillingBloc and BillingState to include bank accounts.
- Refactored PaymentMethodCard to display bank account information.
- Adjusted actions widget layout for better UI consistency.
- Updated staff bank account repository and use cases to utilize new entity structure.
- Ensured all references to bank accounts in the codebase are updated to the new structure.

apps/mobile/packages/features/client/home/lib/src/presentation/widgets/actions_widget.dart

@@ -4,7 +4,6 @@ import 'package:flutter/material.dart';
 
 /// A widget that displays quick actions for the client.
 class ActionsWidget extends StatelessWidget {
-
   /// Creates an [ActionsWidget].
   const ActionsWidget({
     super.key,
@@ -12,6 +11,7 @@ class ActionsWidget extends StatelessWidget {
     required this.onCreateOrderPressed,
     this.subtitle,
   });
+
   /// Callback when RAPID is pressed.
   final VoidCallback onRapidPressed;
 
@@ -26,12 +26,9 @@ class ActionsWidget extends StatelessWidget {
     // Check if client_home exists in t
     final TranslationsClientHomeActionsEn i18n = t.client_home.actions;
 
-    return Column(
-      crossAxisAlignment: CrossAxisAlignment.start,
+    return Row(
+      spacing: UiConstants.space4,
       children: <Widget>[
-        Row(
-          children: <Widget>[
-        /// TODO: FEATURE_NOT_YET_IMPLEMENTED
         Expanded(
           child: _ActionCard(
             title: i18n.rapid,
@@ -46,7 +43,6 @@ class ActionsWidget extends StatelessWidget {
             onTap: onRapidPressed,
           ),
         ),
-        // const SizedBox(width: UiConstants.space2),
         Expanded(
           child: _ActionCard(
             title: i18n.create_order,
@@ -62,14 +58,11 @@ class ActionsWidget extends StatelessWidget {
           ),
         ),
       ],
-        ),
-      ],
     );
   }
 }
 
 class _ActionCard extends StatelessWidget {
-
   const _ActionCard({
     required this.title,
     required this.subtitle,