When exporting with parameters through the REST API to Excel, parameters mappings don't work if they are followed by a for issues loop

Description

When exporting with parameters through the REST API to Excel, parameters mappings don't work if they are followed by a for issues loop

How to reproduce

1. Upload a template with parameters mappings followed by a for issues loop
   
2. Run a URL for REST API export. Example: http://localhost:8888/plugins/servlet/jiraxporter?template=TEST-GLOBAL&jql=project%20%3D%20XPROJ%20AND%20resolution%20%3D%20Unresolved%20ORDER%20BY%20priority%20DESC%2C%20updated%20DESC&outputType=xlsx&FirstDate=%2208-16-2021%22&SecondDate=%2208-17-2021%22

Actual result

Parameters mappings don't print