Normalize exit code of setup actions

scripts/lib/action.fish

@@ -55,6 +55,8 @@ function runSetupUserAction -V dir
                 set -l sudoConfig "/etc/sudoers.d/PortValhalla"
 
                 begin
+                    set success true
+
                     if id -u "$name" &>/dev/null
                         echo "Setup user already exists!"
                     else
@@ -74,10 +76,15 @@ function runSetupUserAction -V dir
                     end >"$sudoConfig"
 
                     and sudo --preserve-env --set-home --user "$name" env "PATH=$PATH" $cmdline
-                    or read -P "An error occurred! Press enter to continue: "
+                    or begin
+                        read -P "An error occurred! Press enter to continue: "
+                        set success false
+                    end
+
                     disposeAction
                     rm "$sudoConfig"
                     userdel -rf "$name"
+                    success
                 end
             end
         end