move actual and immich state to their namespaces

machines/genepi/actual.nix

@@ -15,5 +15,5 @@
       "http://127.0.0.1:${builtins.toString config.services.actual.settings.port}";
   };
 
-  clan.core.state.userdata.folders = [ "/var/lib/actual" ];
+  clan.core.state.acutal.folders = [ "/var/lib/actual" ];
 }

machines/genepi/immich.nix

@@ -26,5 +26,5 @@ in
     };
   };
 
-  clan.core.state.userdata.folders = [ "/var/lib/immich" ];
+  clan.core.state.immich.folders = [ "/var/lib/immich" ];
 }