Update app/models/concerns/reporting_api/event_concern.rb

Co-authored-by: Thomas Leese <thomas@leese.io>

Author: Al Davidson

app/models/concerns/reporting_api/event_concern.rb

@@ -14,7 +14,7 @@ module ReportingAPI::EventConcern
     protected
 
     def set_patient_from_source
-      self.patient = source.respond_to?(:patient) ? source&.patient : nil
+      self.patient = source.try(:patient)
     end
 
     def set_patient_year_group