Use pre-existing setup user if existent

scripts/lib/action.fish

@@ -55,6 +55,9 @@ function runSetupUserAction -V dir
                 set -l sudoConfig "/etc/sudoers.d/PortValhalla"
 
                 begin
+                    if id -u "$name" &>/dev/null
+                        echo "Setup user already exists!"
+                    else
                         echo "Creating setup user"
     
                         and useradd \
@@ -64,6 +67,7 @@ function runSetupUserAction -V dir
                             --create-home \
                             --uid (getOSConfig setupUser.id --json) \
                             "$name"
+                    end
 
                     and begin
                         echo "$name ALL=(ALL:ALL) NOPASSWD: ALL"