I can confirm what hbchoong is describing: after uninstalling the firefox deb, when searching for "firefox" in gnome-software, only the snap version is found. This affects both 18.04 and 18.10.
I can confirm what hbchoong is describing: after uninstalling the firefox deb, when searching for "firefox" in gnome-software, only the snap version is found. This affects both 18.04 and 18.10.