Message input quirk with multiple lines, line wrapping and scrolling

Versions

• OS: Manjaro
• Gajim version: 41f60657
• GTK version: 4.16.7
• Python-nbxmpp version: 5.0.4

Steps to reproduce the problem

1. Type a message in Gajim's message input (should contain spaces)
2. Type until you reach the right-hand end and it applies a line break

Expected behavior

Proper resizing/scrolling of message input

Actual behavior

Peek_2024-12-16_22-47

This has already been discussed here: https://gitlab.gnome.org/GNOME/gtk/-/issues/932 and here #9574 (closed)