markdown language-specific code highlighting breaks when in ordered/unordered list

Summary

Markdown language-specific code highlighting works only if out of the list, otherwise it breaks.

Steps to reproduce

Enter the following snippet in any GitLab markdown-parsed place:

1. execute 
   ```sh
   sudo python3 setup.py install
   ```
   from the temp directory;
1. delete the temp directory.

What is the current bug behavior?

The language-specific code block is not rendered correctly:

1. execute

   sudo python3 setup.py install

   from the temp directory;
2. delete the temp directory.

What is the expected correct behavior?

1. execute

sudo python3 setup.py install

from the temp directory;

1. delete the temp directory.

Relevant logs and/or screenshots

You cat see it right here in the issue body.

Output of checks

This bug happens on GitLab.com

Possible workaround

Enter an empty line before the second list item.