使用 wgel 下载或更新时，点击进度条会打印出许多 [[C^

问题：使用 yum wget curl 下载或者更新时，点击进度条会打印出许多 C^
版本：WindTerm 2.6.0 Prerelease 1

```
[[C^[[C^[[C^[[C^[[C^
```
或者
```
[[D^[[D^[[D^[[D^[[D^
```
如图所示

Reproduce the issue in WindTerm 2.6.0 Prerelease 1 by clicking the progress bar while running yum, wget, or curl downloads or updates. Trace the terminal handling of the resulting arrow-key escape sequences; done means clicking the progress bar no longer prints repeated [[C^ or [[D^ text.

Written by the indexing model from the issue text.