Issue Summary

When editing a code block of JSON or any other code, the editor in Jira issue’s Comments or description or multi-line text field, provides automatic formatting which breaks the structure of the JSON or any other code block. To understand the issue please check the following video:
The issue is only replicable in Firefox v136.0.2 or v136.0.1 running on MacOS.

For example, in the editor, when typing :

`

The auto-formatting will remove the new line and take the closing curly brackets on the above line at the end of your text. 

Steps to Reproduce

1. Go to comments or description field.
2. Insert a code block.
3. Inside the code block type the below first:

4. {
   
   }

1. now in the space or the empty line that you have created in the above example, try to put a "" double quotes.

Expected Results

The code block should look like: 

{
"text": "space";
}
 

Actual Results

Auto formatting kicks in Firefox browser and removes the new line and pushes the closing curly bracket to the above line, breaking the formatting:

{ 
"text": "space";} 

Workaround

Use any browser other than Firefox on MacOS devices as a workaround to avoid this issue.