[internal] Traverse DecoratingNodeVisitorInterface after scope filling on PHPStanNodeScopeResolver::processNodes() (#7729)

* [internal] Traverse DecoratingNodeVisitorInterface after scope filling on PHPStanNodeScopeResolver::processNodes()

* fix grammar

* add link comment

Author: samsonasik

src/NodeTypeResolver/PHPStan/Scope/PHPStanNodeScopeResolver.php

@@ -155,8 +155,6 @@ public function processNodes(
 
         Assert::allIsInstanceOf($stmts, Stmt::class);
 
-        $this->nodeTraverser->traverse($stmts);
-
         $scope = $formerMutatingScope ?? $this->scopeFactory->createFromFile($filePath);
 
         $nodeCallback = function (Node $node, MutatingScope $mutatingScope) use (
@@ -419,6 +417,10 @@ public function processNodes(
             RectorNodeScopeResolver::processNodes($stmts, $scope);
         }
 
+        // use after scope filling so DecoratingNodeVisitorInterface instance can fetch the scope of target node
+        // @see https://github.com/rectorphp/rector-src/pull/7721#discussion_r2595932460
+        $this->nodeTraverser->traverse($stmts);
+
         return $stmts;
     }