System information

• Steam client version (Nov 4 2022):
• Distribution (Arch Linux):
• Opted into Steam client beta?: Yes
• Have you checked for system updates?: Yes

Description

It is almost impossible to edit longer texts in chat input textarea, as the vertical size doesn't grow with the length of written input text.

Steps for reproducing this issue:

1. Open Chat
2. Write long text in chat input
3. Try to edit long text in very small input textarea.