finished the upgrade to filament 4. completely revamped the frontend with codex, now it looks great!

app/Filament/Resources/ApiProviders/Pages/EditApiProvider.php

@@ -0,0 +1,33 @@
+<?php
+
+namespace App\Filament\Resources\ApiProviderResource\Pages;
+
+use App\Filament\Resources\ApiProviderResource;
+use Filament\Actions;
+use Filament\Resources\Pages\EditRecord;
+use Livewire\Attributes\On;
+
+class EditApiProvider extends EditRecord
+{
+    public $testResultState = 'none';
+
+    protected static string $resource = ApiProviderResource::class;
+
+    #[On('testConnectionFinished')]
+    public function onTestConnectionFinished($result)
+    {
+        $this->testResultState = $result;
+    }
+
+    protected function getHeaderActions(): array
+    {
+        return [
+            Actions\DeleteAction::make(),
+        ];
+    }
+
+    protected function getRedirectUrl(): string
+    {
+        return $this->getResource()::getUrl('index');
+    }
+}