Bug: Oxidized doesn't show message length limit

[MarcAnt01]

Describe the bug If I send a message over a certain number of characters (for example a long code snippet) Oxidized doesn't display any alert

To Reproduce Steps to reproduce the behavior:

1. Copy a big snippet of code;
2. Paste it in a server channel

System(s) that problem occurred on 11 Insider Preview PC/Mobile/Xbox/Other (select one or more) PC