okular does not show non-latin characters in inline notes

Submitted by Serge Gavrilov

Assigned to poppler-bugs

Link to original bug (#65956)

Description

This is generally okular bug https://bugs.kde.org/show_bug.cgi?id=310154.

If I enter non-latin characters into an inline note (the kind of pdf annotations), then okular does not show these symbols in inline notes.