HarmonyOS popup弹窗中push到下个页面，popup弹窗跟随到了下个页面

参考文档：https://developer.huawei.com/consumer/cn/doc/harmonyos-guides-V5/arkts-common-components-custom-dialog-V5

参考demo：

import router from '@ohos.router';
@CustomDialog
export default struct UserPrivacyDialog {
  controller: CustomDialogController = new CustomDialogController({ builder: '' });
  cancel: Function = () => {
  };
  confirm: Function = () => {
  };
  visible: Visibility = Visibility.None
  build() {
    Column() {
      Text('我是弹窗')
      Button('jump')
        .onClick(() => {
          router.pushUrl({
            url: 'pages/Second'
          })
        }).backgroundColor(0xffffff).fontColor(Color.Red)
    }
    .margin({ top: 22 })
    .justifyContent(FlexAlign.SpaceEvenly)
  }
}
@Entry
@Component
struct Index {
  @State textValue: string = 'Hello World'
  @State visible: Visibility = Visibility.None
  build() {
    Stack() {
      Row() {
        Column() {
          Button('click')
            .onClick(() => {
              if (this.visible == Visibility.Visible) {
                this.visible = Visibility.None
              } else {
                this.visible = Visibility.Visible
              }
            })
            .backgroundColor(0x777474)
            .fontColor(0x000000)
        }
        .width('100%')
      }
      .height('100%')
      .backgroundColor(0x885555)
      Text('')
        .onClick(() => {
          if (this.visible == Visibility.Visible) {
            this.visible = Visibility.None
          } else {
            this.visible = Visibility.Visible
          }
        })
        .width('100%')
        .height('100%')// 透明度可以自己调节一下
        .opacity(0.16)
        .backgroundColor(0x000000)
        .visibility(this.visible)
      Column() {
        GridRow({
          columns: { xs: 1, sm: 4, md: 8, lg: 12 },
          breakpoints: {
            value: ["400vp", "600vp", "800vp"],
            reference: BreakpointsReference.WindowSize
          },
        }) {
          GridCol({
            span: { xs: 1, sm: 2, md: 4, lg: 8 },
            offset: { xs: 0, sm: 1, md: 2, lg: 2 }
          }) {
            Column() {
              Flex({ justifyContent: FlexAlign.SpaceAround }) {
                UserPrivacyDialog();
              }.margin({ bottom: 10 })
            }
            .backgroundColor(0xffffff)
            .visibility(this.visible)
            .clip(true)
            .borderRadius(20)
          }
        }
      }.width('95%') //设置弹窗宽度
    }
  }
}
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