move to general check in container

roles/lxc_guest/tasks/main.yaml

@@ -52,8 +52,10 @@
 
 
 - name: Check if host certificate exists
-  container_certificate_exists:
+  container_file_exists:
     name: "{{ vm_name }}"
+    path: "/etc/ssh/ssh_host_ed25519_key-cert.pub"
+  register: host_certificate_exists
 
 - name: check if cert key exist
   shell: lxc-attach -n {{ vm_name }} --clear-env -e -- bash -c "ls /etc/ssh/ssh_host_ed25519_key-cert.pub"