LibJS+LibWeb: Use new Cell::Visitor helpers to avoid manual iteration

Author: https://github.com/awesomekling
Commit: 53d0dd4a2e
Pull-request: https://github.com/SerenityOS/serenity/pull/23971
Reviewed-by: https://github.com/trflynn89

Userland/Libraries/LibWeb/DOM/StaticNodeList.cpp

@@ -29,8 +29,7 @@ StaticNodeList::~StaticNodeList() = default;
 void StaticNodeList::visit_edges(Cell::Visitor& visitor)
 {
     Base::visit_edges(visitor);
-    for (auto& node : m_static_nodes)
-        visitor.visit(node);
+    visitor.visit(m_static_nodes);
 }
 
 // https://dom.spec.whatwg.org/#dom-nodelist-length