The KeepassXC-browser stuff is most likely from when Ubuntu started pushing snaps. For a while this was broken, and even if you installed Firefox from a PPA instead it still wouldn't work due to a default AppArmor policy blocking the connection.
The KeepassXC-browser stuff is most likely from when Ubuntu started pushing snaps. For a while this was broken, and even if you installed Firefox from a PPA instead it still wouldn't work due to a default AppArmor policy blocking the connection.