Handle soon deprecated AttributeKey::STMT_KEY attribute usage on Stmt (#362)

* Handle soon deprecated AttributeKey::STMT_KEY attribute usage on Stmt

* fix cs

Author: samsonasik

src/Rector/Rector/Namespace_/AppUsesStaticCallToUseStatementRector.php

@@ -15,7 +15,6 @@
 use PhpParser\NodeVisitor;
 use PHPStan\Type\ObjectType;
 use Rector\Contract\PhpParser\Node\StmtsAwareInterface;
-use Rector\NodeTypeResolver\Node\AttributeKey;
 use Rector\PhpParser\Node\BetterNodeFinder;
 use Rector\PhpParser\Node\CustomNode\FileWithoutNamespace;
 use Rector\PhpParser\Node\Value\ValueResolver;
@@ -128,8 +127,13 @@ function (Node $subNode) use ($node, $appUsesStaticCalls, &$currentStmt) {
                     return null;
                 }
 
-                /** @var \PhpParser\Node\Stmt $currentStmt */
-                unset($node->stmts[$currentStmt->getAttribute(AttributeKey::STMT_KEY)]);
+                foreach ($node->stmts as $key => $stmt) {
+                    if ($stmt === $currentStmt) {
+                        unset($node->stmts[$key]);
+
+                        return null;
+                    }
+                }
 
                 return null;
             },