HarmonyOS 鸿蒙Next Text组件通过LongPressGesture选中文本，使用bindSelectionMenu自定义菜单无法生效

可以试下这段代码：

[@Entry](/user/Entry)
[@Component](/user/Component)
struct Example {
 [@State](/user/State) start: number = 0
 [@State](/user/State) end: number = 0
 [@State](/user/State) text: string = '请选择此文字'

 getContentLength() {
   return this.text.length
 }

 setSelection(start: number, end: number) {
   this.start = start
   this.end = end
 }

 test(test: string, test1: string) {
   console.log('测试一下' + test + test1)
 }

 setAllSelect() {
   this.setSelection(0, this.getContentLength())
 }

 build() {
   Column() {
     Column() {
       Text(this.text)
         .fontSize(16)
         .copyOption(CopyOptions.InApp)
         .selection(this.start, this.end)
         .bindSelectionMenu(TextSpanType.TEXT, SelectionMenu(), TextResponseType.LONG_PRESS)
         .onTextSelectionChange((start, end) => {
           if (start < 0) {
             this.start = 0
             this.end = 0
           } else {
             this.setAllSelect()
           }
         })

     }
     .padding(10)
     .justifyContent(FlexAlign.Center)
     .backgroundColor(Color.Pink)
   }
   .width("100%")
   .height("100%")
   .justifyContent(FlexAlign.Center)
 }
}

[@Builder](/user/Builder)
function SelectionMenu() {
 Column() {
   Text('CustomMenu')
 }
}