表格头部 开启 fixed: "left", 再开启 ellipsis: true, 没有自动省略，而是自动撑开

[crossui]

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

Version

1.6.5

Environment

chrome 版本49

Reproduction link

https://www.antdv.com/components/table-cn/

Steps to reproduce

{
title: item.title,
fixed: item.fixed,
dataIndex: item.key,
key: item.key,
align: item.align,
width: item.width == "" ? 100 : parseInt(item.width),
sorter: item.sortable,
ellipsis: true,
className: item.className
}

What is expected?

期望 fixed: "left" ，ellipsis: true同时开启时能够自动省略

What is actually happening?

表格每列给定宽度 width，第一列给了 fixed: "left" ，所有的列开启了ellipsis: true, 第一列没有自动省略 其它列正常 ；第一列浮动的 会自动撑开 超出设定的宽度

[github-actions]

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