Fix a pre-check condition for Helm binary (#169)

* Fixed a condition on precheck that since V3.0.0 would cause helm version check not to run

* Updated condidition based on the comment

* Explicitly check for >0

Explicitly check for >0

Co-authored-by: Øystein Bedin <oybed@users.noreply.github.com>

roles/openshift-applier/tasks/pre-check.yml

@@ -55,7 +55,7 @@
       ignore_errors: true
       register: helm_version_check
       when:
-        - openshift_cluster_content | join(', ') | regex_search('helm_chart')
+        - openshift_cluster_content | sum(attribute='content', start=[]) | selectattr('helm', 'defined') | list | count > 0
 
     # Block to handle helm command output
     # - only proceed if the helm command returned any output