Info, Notes, Warning and Tip icons not available in PDF export

Summary

When a page is exported to PDF, the Info, Notes, Warning and Tip icons are not displayed.

Environment

Cloud - Confluence 1000.0.0-637d4df

Steps to Reproduce

1. Place an icon on a page
2. Try to export it
3. No Icons will be displayed on the pdf export, just text boxes and text.

Expected Results

All icons must be displayed on the result of the pdf

Actual Results

The icons are removed from the pdf.

Workaround

None