[comp:table] 使用ellipsis后，customCell的title应该不显示

[fjyqwe]

• I have searched the issues of this repository and believe that this is not a duplicate.

Reproduction link

https://github.com/IDuxFE/idux/issues

Steps to reproduce

1、table使用ellipsis配置
2、列自定义（customCell）
3、列hover时，显示了错误的title

What is expected?

不显示title

What is actually happening?

显示了转换前的值

Environment Info

无

[idux-bot]

Translation of this issue:

[Comp: Table] After using Ellipsis, the title of Customcell should not display

• I have searched the [issues] (https://github.com/iduxfe/idux/isSues) of this repository that this is not a duplicate.

REPRODUCTION LINK

[https://github.com/iduxfe/idux/isSues]

STEPS To Reproduce

1. Table uses ellipsis configuration
2. CustomCell
3. When the hover, the wrong title is displayed

What is exfected?

Do not display title

What is actually happy?

Show the value before the conversion

ENVIRONMENT Info

无

[danranVm]

临时解决方案：可以通过 customAdditional.bodyCell = () => { title: '' } 来覆盖掉

[danranVm]

需要给 ellipsis 加个其他的配置？用来关闭 title ?

[fjyqwe]

通过customCell自定义的列，大部分都不能显示默认的title，可以去掉customCell这一列的title
如果要title，可以自己加上