feat: 使用 markRaw 包装消息组件，优化性能

src/__fk-inputs__/sections/messages.ts

@@ -1,8 +1,9 @@
 import MessagesCmp from '@/__fk-inputs__/components/messages.vue';
 import { createSection } from '@formkit/inputs';
+import { markRaw } from 'vue';
 
 export const messages = createSection('messages', () => ({
-  $cmp: MessagesCmp as any,
+  $cmp: markRaw(MessagesCmp) as any, // [element = node.$cmp](https://github.com/formkit/formkit/blob/2d5387ba98597775cb2a752af65aee84bc438863/packages/vue/src/FormKitSchema.ts#L449)
   props: { context: '$node.context', },
   if: '$defaultMessagePlacement && $fns.length($messages)',
 }))