Re-print on constructor promotion (#3051)

rules-tests/Php80/Rector/FunctionLike/MixedTypeRector/Fixture/on_constructor_promotion.php.inc

@@ -0,0 +1,26 @@
+<?php
+
+namespace Rector\Tests\Php80\Rector\FunctionLike\MixedTypeRector\Fixture;
+
+final class OnConstructorPromotion
+{
+    /** @param mixed $foo*/
+    public function __construct(public $foo): void
+    {
+    }
+}
+
+?>
+-----
+<?php
+
+namespace Rector\Tests\Php80\Rector\FunctionLike\MixedTypeRector\Fixture;
+
+final class OnConstructorPromotion
+{
+    public function __construct(public mixed $foo): void
+    {
+    }
+}
+
+?>

rules/Php80/Rector/FunctionLike/MixedTypeRector.php

@@ -141,6 +141,9 @@ private function refactorParamTypes(
 
             $this->hasChanged = true;
             $param->type = new Identifier('mixed');
+            if ($param->flags !== 0) {
+                $param->setAttribute(\Rector\NodeTypeResolver\Node\AttributeKey::ORIGINAL_NODE, null);
+            }
         }
     }
 }