cups: Set correct paper size to locale

cups/tasks/main.yml

@@ -1,4 +1,20 @@
 ---
+- name: check paper size
+  ansible.builtin.shell:
+    cmd: localectl status | grep -E '^\s+LC_PAPER=fi_FI.UTF-8$'
+  register: locale_check
+  failed_when: false
+  check_mode: false
+  changed_when: false
+
+- name: set system paper size to a4
+  ansible.builtin.command:
+    argv:
+      - localectl
+      - set-locale
+      - LC_PAPER=fi_FI.UTF-8
+  when: locale_check.rc != 0
+
 - name: install packages
   ansible.builtin.package:
     name: cups-client