cloud-hypervisor sockets: use spectrum names

- CONNECT.sock → vsock.sock
- ch.sock → vmm.sock

profiles/uvms-guest.nix

@@ -53,8 +53,8 @@ in
       ];
       systemd.services."microvm@".serviceConfig.ExecStartPost = [
         (pkgs.writeShellScript "microvm-fix-umask" ''
-          if [[ -e CONNECT.sock ]] ; then
-            chmod g+rw CONNECT.sock
+          if [[ -e vsock.sock ]] ; then
+            chmod g+rw vsock.sock
           fi
         '')
       ];