REFACTOR: deploy_and_set_up_lxc_on_proxmox.yaml works again

roles/human_admin_user/tasks/main.yaml

@@ -24,11 +24,13 @@
     mode: u=rwx,g=r,o-rwx
 
 # WARNING: UNPRIVILEGED USER (not ansible) COMMANDS
+# Since the golden image contains installed zsh, this step may not be necessary
 - name: Install oh my zsh
   remote_user: max
   become: false
   ansible.builtin.command: /home/max/install_omz.sh
   changed_when: true
+  failed_when: false
 
 - name: Configure oh my zsh, by pushing the config file
   remote_user: ansible