feat: add modal support for creating private keys in server creation form and enhance UI for private key selection

app/Livewire/Server/New/ByHetzner.php

@@ -72,6 +72,7 @@ class ByHetzner extends Component
     {
         return [
             'tokenAdded' => 'handleTokenAdded',
+            'privateKeyCreated' => 'handlePrivateKeyCreated',
             'modalClosed' => 'resetSelection',
         ];
     }
@@ -101,6 +102,18 @@ class ByHetzner extends Component
         $this->nextStep();
     }
 
+    public function handlePrivateKeyCreated($keyId)
+    {
+        // Refresh private keys list
+        $this->private_keys = PrivateKey::ownedByCurrentTeam()->get();
+
+        // Auto-select the new key
+        $this->private_key_id = $keyId;
+
+        // Clear validation errors for private_key_id
+        $this->resetErrorBag('private_key_id');
+    }
+
     protected function rules(): array
     {
         $rules = [