Using an edited Page Number on Header/Footer and a mapping on the same line, it will not export that mapping

Description
When using an edited Page Number on the Header/Footer of the page and any mapping on the same line as the Page Number, it will not export that mapping. Other mappings on the template are exported.

Pre-conditions
Add a Page Number to the template and edit it.

How to reproduce

1. Create a Word Template and add a Page Number on the Header and Footer
2. Add a mapping on the same line as the Page Number
3. Edit the Page Number and export the template with any issue

Actual result/Attachments
The mapping on the Header and Footer will not be exported.

Expected result
It should export the mapping.