Fix watermark settings form schema

app/Filament/SuperAdmin/Pages/WatermarkSettingsPage.php

@@ -5,9 +5,9 @@ namespace App\Filament\SuperAdmin\Pages;
 use App\Filament\Clusters\RareAdmin\RareAdminCluster;
 use App\Models\WatermarkSetting;
 use Filament\Forms;
-use Filament\Forms\Form;
 use Filament\Notifications\Notification;
 use Filament\Pages\Page;
+use Filament\Schemas\Schema;
 
 class WatermarkSettingsPage extends Page
 {
@@ -55,9 +55,9 @@ class WatermarkSettingsPage extends Page
         }
     }
 
-    public function form(Form $form): Form
+    public function form(Schema $schema): Schema
     {
-        return $form->schema([
+        return $schema->schema([
             Forms\Components\FileUpload::make('asset')
                 ->label('Basis-Wasserzeichen (PNG/SVG empfohlen)')
                 ->disk('public')