Flatpak apps don't follow host font settings
I noticed that Flatpak apps don't follow the monospace font that I've set in Tweaks. Looks like the setting isn't transferred in.
$ gsettings get org.gnome.desktop.interface monospace-font-name
'JetBrains Mono 13'
$ flatpak run --devel --command=sh org.gnome.Sdk//3.34
[📦 org.gnome.Sdk ~]$ gsettings get org.gnome.desktop.interface monospace-font-name
'Monospace 11'
$ flatpak run --devel --command=sh org.gnome.Sdk//3.36
[📦 org.gnome.Sdk ~]$ gsettings get org.gnome.desktop.interface monospace-font-name
'Monospace 11'
$ flatpak run --devel --command=sh org.gnome.Sdk//master
[📦 org.gnome.Sdk ~]$ gsettings get org.gnome.desktop.interface monospace-font-name
'Source Code Pro 10'