Info, Note and Warning macros are not rendered when exported in PDF

**Summary**

The icons for the info, note and warning macros are displayed properly in Confluence.

The PDF export does not include the icons

**Steps to Reproduce**

1. Create or edit a page
2. Add a Info, Note and Warning macro to the page
3. Save - Macros and icons are rendered properly
4. Export page to PDF - icons are not rendered properly (missing)
5. Export space to PDF - icons are not rendered properly (missing)

**Current Behaviour**

The icons for the macros are not visible in the PDF export

**Expected Behaviour**

The icons for the macros are visible in the PDF export