[Markdown] Wrong(?) render of code block

[SadmL]

Describe the bug

A clear and concise description of what the bug is.

To reproduce

Steps to reproduce the behavior:

1. Write post in Markdown format with code element
2. Post
3. See wrong(?) render of code block

Does this happen in the official app?

Does this issue also occur with the respective upstream release?

No / Yes

Yes, I've send issue to upstream, see mastodon#878

In case it does, please consider filing an upstream bug report instead.
If this bug is seriously impacting your usage or you think I might want to try to fix it for Moshidon, feel free to still create this issue!

Screenshots and screen recordings

If applicable, add screenshots (and screen recordings, if possible) to help explain your problem.

See mastodon#878

Version

Moshidon version: 2.3.0+fork.107.moshinda

Crash log

X