fix(virtualization): pass a pre-hashed user password through cloud-init unchanged

roles/virtualization/templates/cloud-user-data.yml.j2

@@ -14,8 +14,9 @@ users:
 {% elif _sudo | bool %}
     sudo: "ALL=(ALL) NOPASSWD:ALL"
 {% endif %}
-{% if attrs.password | default('') | length > 0 %}
-    passwd: "{{ attrs.password | password_hash('sha512') }}"
+{% set _pw = attrs.password | default('') %}
+{% if _pw | length > 0 %}
+    passwd: "{{ _pw if (_pw | string)[:1] == '$' else _pw | password_hash('sha512') }}"
     lock_passwd: false
 {% else %}
     lock_passwd: true