Fix ability to disable triggers

Template of job takes enabled parameter which is string, and there
is no ability to pass bool to generation process, this patch adds
ability to properly work in case if 'False' string is passed.

Change-Id: I42fafc8c4cf27ee2298215b731128395095a391e
Related-Prod: https://mirantis.jira.com/browse/PROD-27122
1 file changed