[Php81] Skip has default value on ReadOnlyPropertyRector (#1355)

rules-tests/Php81/Rector/Property/ReadOnlyPropertyRector/Fixture/skip_has_default_value.php.inc

@@ -0,0 +1,18 @@
+<?php
+
+namespace Rector\Tests\Php81\Rector\Property\ReadOnlyPropertyRector\Fixture;
+
+final class SkipHasDefaultValue
+{
+    private string $name = 'default';
+
+    public function __construct(string $name)
+    {
+        $this->name = $name;
+    }
+
+    public function getName()
+    {
+        return $this->name;
+    }
+}

rules/Php81/Rector/Property/ReadOnlyPropertyRector.php

@@ -5,6 +5,7 @@
 namespace Rector\Php81\Rector\Property;
 
 use PhpParser\Node;
+use PhpParser\Node\Expr;
 use PhpParser\Node\Param;
 use PhpParser\Node\Stmt\Property;
 use Rector\Core\NodeManipulator\PropertyManipulator;
@@ -88,7 +89,7 @@ public function refactor(Node $node): ?Node
             return null;
         }
 
-        if ($node->isReadonly()) {
+        if ($node->isReadonly() || $node->props[0]->default instanceof Expr) {
             return null;
         }