Changing fields using Javascript breaks export if field contains an image

Description
Changing fields using Javascript breaks export if field contains an image

How to reproduce

1. Create an issue with the following description

   _*As*_ a user of Foo
   
   *Scenario 1 [Bar]*
    * Given I Foo
    * Then I could see
    ** the corresponding *bar*
    
    !screenshot-1.png|thumbnail!
   
   |Japan|[Japan@xy.com|mailto:Japan@xy.com]|
   |South Korea|[South-Korea@xy.com|mailto:South-Korea@xy.com]|
   |Australia and *New Zealand*|*[australia-helpdesk@xy.com|mailto:australia-helpdesk@xy.com]*|
   

1. Create a template with the following code:

   ${wiki:%{'${escape:Description}'.replaceAll('{','｛').replaceAll('}','｝').replaceAll('mailto:',' ')}}
   

1. Export this template, then remove the image from description and try to export again

Actual result/Attachments
When image is present, export gets stuck

Expected result
Description should be exported without issues

Version

• Jira v10.3.18
• Xray 7.12.4-j10