[presets] misc fixes

- update user module not to ask for a password
- ALMA_USER_PASSWORD env variable added
- update steam module
- update base module

presets/user.toml

@@ -2,9 +2,8 @@ packages = ["sudo"]
 script = """
 set -eux
 
-useradd -m ${ALMA_USER}
-passwd ${ALMA_USER}
+useradd -m ${ALMA_USER} -p $(openssl passwd -6 ${ALMA_USER_PASSWORD})
 usermod -G users,lp,video,network,storage,wheel,audio -a ${ALMA_USER}
 echo "%wheel ALL=(ALL) ALL" > /etc/sudoers.d/wheel
 """
-environment_variables = ["ALMA_USER"]
+environment_variables = ["ALMA_USER", "ALMA_USER_PASSWORD"]