Merge "Fix empty match while setting supported_policy_files"

ansible/roles/horizon/tasks/policy_item.yml

@@ -2,7 +2,7 @@
 
 # Update policy file name
 - set_fact:
-    supported_policy_files: "{{ supported_policy_format_list | map('regex_replace', '(.*)', '{{ project_name }}_\\1') | list }}"
+    supported_policy_files: "{{ supported_policy_format_list | map('regex_replace', '(.+)', '{{ project_name }}_\\1') | list }}"
 
 - name: Check if policies shall be overwritten
   local_action: stat path="{{ fullpath }}"