When using Korean, the "down list" of Markdown references is not immediately visible.

first.. i'm not goot English. Please, excuse me. X(

Problem to solve

You can't see 'User drop-down list' right away when you type in Korean names. It must complete the name word by pressing the right arrow button.

The 'User drop-down list' should be displayed without pressing the right arrow button.

Intended users

Korean (or other language) user

example

in_markdown_korean_name_search

• Navigate
  1. My Proejct
  2. move some markdown work page (Create issue)
• reproduce 1
  1. chat @최영헌 >> '헌' is underlined.
  2. right arrow key push >> show user dropdown List (for my name '최영헌')
• reproduce 2
  1. chat @최 >> '최' is underlined.
  2. right arrow key push >> show user dropdown List (for my name '최영헌')