Ensures cronjob is enabled

Adds cronjob enable parameter to the API module.

Relates to UPS-5853

Author: vincentjanv

spec/classes/uitpas/api/cron_spec.rb

@@ -128,7 +128,7 @@
       context "with portbase => 14800" do
         let(:params) { {
           'portbase' => 14800,
-        } }
+          'cron_enabled' => true
 
         it { is_expected.to contain_cron('uitpas enduser clearcheckincodes').with(
           'command'     => "/usr/bin/curl 'http://127.0.0.1:14880/uitid/rest/uitpas/enduser/clearcheckincodes' >> /var/log/uitpas-cron/clearcheckincodes.log 2>&1",