LibJS: Fix crash due to AST node tracking inside call stack

Author: https://github.com/boricj
Commit: 6f668ca3a4
Pull-request: https://github.com/SerenityOS/serenity/pull/5588

Userland/Libraries/LibJS/AST.cpp

@@ -225,7 +225,7 @@ Value CallExpression::execute(Interpreter& interpreter, GlobalObject& global_obj
         }
     }
 
-    vm.call_frame().current_node = vm.node_stack().last();
+    vm.call_frame().current_node = vm.current_node();
     Object* new_object = nullptr;
     Value result;
     if (is<NewExpression>(*this)) {