Fix systemd not breaking whitespace in env vars
Original-merge: 125ee883117af3ad5c7e2369f8be84089a782b57
Merged-by: Joshua M. Boniface <joshua@boniface.me>
Backported-by: Joshua M. Boniface <joshua@boniface.me>
Simplifies a number of aspects of the RPM build, including moving
.copr/Makefile into the "fedora/" folder (and leaving a symlink),
removing the jellyfin-web build components, and renaming it
jellyfin-server like Debian did.