fix empty test for nc apps

tasks/main.yml

@@ -91,7 +91,7 @@
     # do if the app is not enabled and ( (archive path is not "") or (app is disabled) )
     when:
       - item.key not in nc_available_apps.enabled
-      - (item.value is not empty) or (item.key in nc_available_apps.disabled)
+      - (item.value is not none) or (item.key in nc_available_apps.disabled)
     with_dict: "{{ nextcloud_apps }}"
   when:
     - nextcloud_apps is defined

tasks/nc_apps.yml

@@ -13,7 +13,7 @@
       owner: "{{ nextcloud_websrv_user }}"
       group: "{{ nextcloud_websrv_group }}"
       creates: "{{ nextcloud_webroot }}/apps/{{ nc_app_name }}"
-    when: nc_app_cfg is not empty
+    when: nc_app_cfg is not none
 
   - name: "[ App {{ nc_app_name }} ] - enable the application."
     become_user: "{{ nextcloud_websrv_user }}"
@@ -39,7 +39,7 @@
       owner: "{{ nextcloud_websrv_user }}"
       group: "{{ nextcloud_websrv_group }}"
       creates: "{{ nextcloud_webroot }}/apps/{{ nc_app_name }}"
-    when: nc_app_cfg.source is not empty
+    when: nc_app_cfg.source is not none
 
   - name: "[ App {{ nc_app_name }} ] - enable the application."
     become_user: "{{ nextcloud_websrv_user }}"