Issue Summary

The text formatting for code blocks is not rendering properly in Dark Theme. 
It works as expected in Original/Light Theme. 

Steps to Reproduce

1. Using the formatting provided in this article;

   {code:xml}
       <test>
           <another tag="attribute"/>
       </test>
   

2. Open a Jira issue and type the code block on the Description or Comment field;
   

Expected Results

The code block should be rendered properly like this (this is from Light Theme);

Actual Results

In Dark Theme, the code block shows like this;

Workaround

A workaround is to add custom CSS rule through the announcement banner;

1. Configure announcement banner with the following custom CSS rule;

   <style>
   .code-tag {
      color: var(--ds-text-accent-teal, #000091);
   }
   </style>

   

2. Add the code block in either Description/Comment field;

   {code:xml}
       <test>
           <another tag="attribute"/>
       </test>
   {code}

   

3. The result would be like this;