Keys Up & Down not possible in roomTextarea

[NINI1988]

Describe the bug

The keys up & down are not working in the roomTextarea.

Steps to reproduce

1. Go to https://antoine92190.github.io/vue-advanced-chat/
2. Input multiple lines of text into the textarea with shift+enter
3. Use the up & down keys
4. Keys left & right works as expected

Expected behavior

The cursor should go one line up or down

Device (please complete the following information)

• OS: Windows 11
• Browser: Firefox 105, Chrome 106
• Package version: 2.04