[GitLab UI] - 404 page search button style error when using Chinese characters

Description

When I use GitLab with Chinese locale and I ended up some page not existed I get this:

This picture is forged by me by editing the DOM element content of the search button, when I use Chinese locale version I get something like this.

Expected

Expect the characters not break into separate lines.

Solution

1. By adding style rule with word-break: keep-all (this could broke other language which is not recommended
2. Add flex: 1 for the sibling element div.field as screenshot shows: