Fix(AI):[#3702]历史对话下方缺少“开启新对话”按钮，增加一个开启新对话按钮

aiChat/views/index.vue

@@ -21,6 +21,7 @@
       :z-index="1"
       @beforeleave="pageContainerBeforeleave"
     >
+      <view style="opacity: 0;"></view>
       遮罩层，用于监听实体键返回
     </page-container>
     <view
@@ -262,6 +263,15 @@ export default {
       topicList: []
     }
   },
+  onShow() {
+    const addNewChat = uni.getStorageSync('addNewChat') === '1'
+    // 从历史界面点击新增对话
+    if (addNewChat && this.chatNumber) {
+      console.log(addNewChat)
+      uni.removeStorageSync('addNewChat')
+      this.createNewHandle()
+    }
+  },
   onUnload() {
     this.closeWsFn()
   },