applications: Add support for the screenshot permission
Add support for managing the screenshot permission, used by apps who request non-interactive screenshots from the portal.
See also https://github.com/flatpak/xdg-desktop-portal/pull/851
Add support for managing the screenshot permission, used by apps who request non-interactive screenshots from the portal.
See also https://github.com/flatpak/xdg-desktop-portal/pull/851