fix(configuration): use chpasswd for root password and separate shell setting

roles/configuration/tasks/users.yml

@@ -1,14 +1,17 @@
 ---
 - name: Set root password
-  vars:
-    configuration_root_cmd: >-
-      {{ chroot_command }} /usr/sbin/usermod --password
-      '{{ system_cfg.root.password | password_hash('sha512') }}' root --shell {{ system_cfg.root.shell | default('/bin/bash') }}
-  ansible.builtin.command: "{{ configuration_root_cmd }}"
+  ansible.builtin.shell: >-
+    echo 'root:{{ system_cfg.root.password | password_hash("sha512") }}' | {{ chroot_command }} chpasswd -e
   register: configuration_root_result
   changed_when: configuration_root_result.rc == 0
   no_log: true
 
+- name: Set root shell
+  ansible.builtin.command: >-
+    {{ chroot_command }} /usr/sbin/usermod --shell {{ system_cfg.root.shell | default('/bin/bash') }} root
+  register: configuration_root_shell_result
+  changed_when: configuration_root_shell_result.rc == 0
+
 - name: Create user accounts
   vars:
     configuration_user_group: >-