feat: 重构消息组件，优化表单输入逻辑，移除不必要的依赖

src/__fk-inputs__/sections/messages.ts

@@ -1,11 +1,8 @@
+import MessagesCmp from '@/__fk-inputs__/components/messages.vue';
 import { createSection } from '@formkit/inputs';
 
-/**
- * Messages section where all messages will be displayed.
- *
- * @public
- */
 export const messages = createSection('messages', () => ({
-  $el: 'ul',
+  $cmp: MessagesCmp as any,
+  props: { context: '$node.context', },
   if: '$defaultMessagePlacement && $fns.length($messages)',
 }))