upgrade to filament v4

app/Filament/Resources/Branches/RelationManagers/ExpenseRelationManager.php

@@ -1,21 +1,22 @@
 <?php
 
-namespace App\Filament\Resources\BranchResource\RelationManagers;
+namespace App\Filament\Resources\Branches\RelationManagers;
 
-use App\Filament\Resources\ExpenseResource;
-use Filament\Forms\Form;
+use Filament\Schemas\Schema;
+use Filament\Actions\CreateAction;
+use App\Filament\Resources\Expenses\Pages\CreateExpense;
+use App\Filament\Resources\Expenses\ExpenseResource;
 use Filament\Resources\RelationManagers\RelationManager;
-use Filament\Tables\Actions\CreateAction;
 use Filament\Tables\Table;
 
 class ExpenseRelationManager extends RelationManager
 {
     protected static string $relationship = 'expenses';
 
-    public function form(Form $form): Form
+    public function form(Schema $schema): Schema
     {
-        return $form
-            ->schema(ExpenseResource::getExpenseFormFields());
+        return $schema
+            ->components(ExpenseResource::getExpenseFormFields());
     }
 
     public function table(Table $table): Table
@@ -25,8 +26,8 @@ class ExpenseRelationManager extends RelationManager
             ->columns(ExpenseResource::getTableColumns())
             ->headerActions([
                 CreateAction::make()
-                    ->mutateFormDataUsing(
-                        fn (array $data): array => app(ExpenseResource\Pages\CreateExpense::class)
+                    ->mutateDataUsing(
+                        fn (array $data): array => app(CreateExpense::class)
                             ->getFormDataMutation($data)
                     ),
             ]);