Edited form fields only show edited content when active
Original post on the evince mailing list: https://mail.gnome.org/archives/evince-list/2021-July/msg00006.html
Trying to edit https://www.dndbeyond.com/sheet-pdfs/ajfclark_47739200.pdf
Note that evince displays a warning "Unimplemented action: POPPLER_ACTION_JAVASCRIPT"
Tested with evince 40.1 (stable) from flathub and with evince 40.2, poppler 21.06.1 from Debian experimental.