message: perf(md-enhance): use shadowRef for components
diff: -import { computed, defineComponent, h, onMounted, ref } from "vue";
  +import { computed, defineComponent, h, onMounted, ref, shallowRef } from "vue";
  import { LOADING_SVG, CODE_SVG } from "./icons.js";
  import { getVuePlaygroundSettings } from "../utils/index.js";
  @@ -20,7 +20,7 @@ export default defineComponent({
  setup(props) {
  const loading = ref(true);
  - const component = ref<typeof Repl | null>(null);
  + const component = shallowRef<typeof Repl | null>(null);
  const store = ref<ReplStore | null>(null);
  const playgroundOptions = computed(() =>
  