Make conditionals explicit booleans

Author: Donien

roles/ifw/tasks/install_powershell_framework.yml

@@ -16,7 +16,7 @@
         ifw_framework_version: "{{ _repo_html.content | regex_findall('[\\d\\.]+\\.zip') | community.general.version_sort | last | replace('.zip', '') }}"
 
 - name: Determine Icinga PowerShell Framework module path
-  when: not ifw_framework_path
+  when: not ifw_framework_path is none
   block:
     - name: Check existence of possible module paths
       ansible.windows.win_stat:

roles/ifw/tasks/manage_repositories.yml

@@ -34,7 +34,7 @@
   vars:
     _current_repository: "{{ _current_repositories_json | selectattr('Name', 'defined') | selectattr('Name', 'eq', item.name) }}"
   when:
-    - not _current_repository
+    - _current_repository | length == 0
   ansible.windows.win_shell: Add-IcingaRepository -Name "{{ item.name }}" -RemotePath "{{ item.remote_path }}"
 
 - name: Push fixed repositories to the end of the list (lowest priority)