display_manager_background_image set_fact workaround

tasks/main.yaml

@@ -2,10 +2,13 @@
 
 - import_tasks: ac-power.yaml
 
+- name: display_manager_background_image set_fact workaround
+  set_fact:
+    display_manager_background_image: "{{role_path}}/files/background/{{ kitapro_background_image }}"
+
 - import_role:
     name: display_manager
   vars:
-    display_manager_background_image: "background/{{ kitapro_background_image }}"
     display_manager_state: maintenance
     display_manager_maintenance_text: Aktualisierungen werden durchgeführt – bitte nicht abschalten!
     display_manager_maintenance_icon: system-software-update
@@ -27,5 +30,4 @@
 - import_role:
     name: display_manager
   vars:
-    display_manager_background_image: "background/{{ kitapro_background_image }}"
     display_manager_state: multiuser