logic fixes

bigboot_rear_backup.yml

@@ -2,6 +2,4 @@
 - name: Perform a ReaR backup if any disk modifications are to be made
   ansible.builtin.import_playbook: rhc.rear.rear_backup
   when:
-    - (bigboot_data[inventory_hostname]['bigboot_execute_shrink_lv'] | bool
-        or bigboot_data[inventory_hostname]['bigboot_execute_bigboot'] | bool)
-    - not bigboot_skip_rear | default('true') | bool
+    - not bigboot_rear_backup_skip | default(false) | bool

bigboot_setup_environment.yml

@@ -43,4 +43,10 @@
               }
             }) }}"
 
+    - name: Execute ReaR backup
+      ansible.builtin.include_tasks: bigboot_rear_backup.yml
+      when:
+        - not bigboot_rear_backup_skip | default(false) | bool
+
+
 ...