No emojis in PDF export

Issue Summary

Emojis are missing in a page exported to PDF.

Steps to Reproduce

1. Create a new page
2. Use emojis in title or content, or both
3. Publish page
4. Export page to PDF

Expected Results

PDF content looks like the Confluence page, including emojis.

Actual Results

Notes

Emoticons (e.g. after typing ``) and images export to PDF correctly.

Workaround

Currently there is no known workaround for this behavior. A workaround will be added here when available