Issue Summary

This is reproducible : (yes)

Steps to Reproduce

1. Set the personnal theme to "Dark"
2. Remove every formatting in "PDF stylsheet"
3. Select any page created with the new editor (not the legacy one)
4. Click the "..." > Export > Export to PDF

Expected Results

Export should not be affected by theme settings of the user.

Actual Results

Exported pdf file is dark.

...

Workaround

• The user to can switch theme, just to be able to export normally,and then switch back.
• As proposed in another community post (https://community.atlassian.com/t5/Confluence-questions/How-can-I-force-the-light-theme-on-PDF-Export/qaq-p/2842161\) an add-on could fix it but this is expensive.