Mention @user dropdown does not suggest by non-ASCII characters in name
Summary
Mention @user dropdown does not display suggestions based on user name if you type in non-ASCII characters. ASCII characters work fine. This bug is not present in the issue sidebar nor in "filter by assignee" in MR index.
Steps to reproduce
- Append "ąąąęęę" to your name in https://gitlab.com/profile
- Type in "@" in a new comment in a project where you are member
- Type in "ęę"
Expected behavior
Your account appears in the dropdown, because your name matches "ęę".
Actual behavior
No account appears in dropdown
Relevant logs and/or screenshots
Output of checks
This bug happens on GitLab.com
The bug was originally reported by EE customer. The customer reported that it stopped working after the upgrade to 8.13.