When i put a program code.it was converted emoji

My code is :@ it automatic covert into Angry emoji.
I have facing this problem daily.

OS:Linux mint2 20.2
cinnamon 64-bit

jisi-
package : org-.jitsi.jitsi=meet
version-2022.3.1
sixe-207.2Mb
remote-flathub
Architectur-X86_64
Branch-stable

Steps to reproduce

  1. open jitsi.
  2. click chat Box.
  3. type code :@
  4. then post.

Actual result is:
it was coverted emoji.

Expected rersult:

Do not change the code to emoji.

Please don’t make duplicated posts.