When exporting Actual Result field with a Heading from a Test Execution, the headings are added to the TOC

Description
When exporting a Test Execution that contains some headings in the Test Run Actual Result field, those headings will be added to the TOC.

How to reproduce

1. Create a Manual Test with some Steps and execute it in a new Test Execution
2. Go to the Test Run and add some heading to the Actual Result field
   Example:
   
3. Export the Test Execution with a template that contains the Actual Result mapping
   Example Template -> XrayTestExecAdvancedWithCoverPage - DC - Apr2024 (2).docx

Actual result/Attachments
The headings are added to the TOC

Expected result
It shouldn´t add the heading to the TOC

Workaround
At the moment, the only workaround is not to use Headings on the Actual Result field.