Fix WrapReturnRector (#6798)

Author: carlos-granados

rules/Transform/Rector/ClassMethod/WrapReturnRector.php

@@ -86,8 +86,9 @@ public function refactor(Node $node): ?Node
                     continue;
                 }
 
-                $this->wrap($classMethod, $typeMethodWrap->isArrayWrap());
-                $hasChanged = true;
+                if ($typeMethodWrap->isArrayWrap() && $this->wrap($classMethod)) {
+                    $hasChanged = true;
+                }
             }
         }
 
@@ -107,22 +108,21 @@ public function configure(array $configuration): void
         $this->typeMethodWraps = $configuration;
     }
 
-    private function wrap(ClassMethod $classMethod, bool $isArrayWrap): ?ClassMethod
+    private function wrap(ClassMethod $classMethod): bool
     {
         if (! is_iterable($classMethod->stmts)) {
-            return null;
+            return false;
         }
 
-        foreach ($classMethod->stmts as $key => $stmt) {
-            if ($stmt instanceof Return_ && $stmt->expr instanceof Expr) {
-                if ($isArrayWrap && ! $stmt->expr instanceof Array_) {
-                    $stmt->expr = new Array_([new ArrayItem($stmt->expr)]);
-                }
-
-                $classMethod->stmts[$key] = $stmt;
+        $hasChanged = false;
+        foreach ($classMethod->stmts as $stmt) {
+            if ($stmt instanceof Return_ && $stmt->expr instanceof Expr
+                && ! $stmt->expr instanceof Array_) {
+                $stmt->expr = new Array_([new ArrayItem($stmt->expr)]);
+                $hasChanged = true;
             }
         }
 
-        return $classMethod;
+        return $hasChanged;
     }
 }