修复 menu 导航模式下的 more 动画

src/module/timelineItem/index.vue

@@ -1,6 +1,9 @@
 <template>
   <li class="layui-timeline-item">
-    <i class="layui-icon layui-timeline-axis"></i>
+    <i class="layui-icon layui-timeline-axis" v-if="slot.dot">
+      <slot name="dot"></slot>
+    </i>
+    <i class="layui-icon layui-timeline-axis" v-else></i>
     <div class="layui-timeline-content layui-text">
       <div v-if="simple" class="layui-timeline-title">
         {{ title }}
@@ -20,7 +23,9 @@ export default {
 </script>
 
 <script setup lang="ts">
-import { defineProps } from "vue";
+import { defineProps, useSlots } from "vue";
+
+const slot = useSlots();
 
 export interface LayTimelineItemProps {
   title: string;