fix(partitioning): add failed_when to all blkid commands to catch empty UUIDs

roles/partitioning/tasks/extra_disks.yml

@@ -67,6 +67,7 @@
   ansible.builtin.command: "blkid -s UUID -o value {{ item.partition }}"
   register: partitioning_extra_disk_uuids
   changed_when: false
+  failed_when: partitioning_extra_disk_uuids.rc != 0 or (partitioning_extra_disk_uuids.stdout | trim | length) == 0
   loop: "{{ partitioning_extra_disks }}"
   loop_control:
     label: "{{ item.partition }}"