equals func on exec + draft container subobject

models/workflow_execution/workflow_execution.go

@@ -85,6 +85,10 @@ type WorkflowExecution struct {
 	WorkflowID           string     `json:"workflow_id" bson:"workflow_id,omitempty"`                                     // WorkflowID is the ID of the workflow
 }
 
+func (wfa *WorkflowExecution) Equals(we *WorkflowExecution) bool {
+	return wfa.UUID == we.UUID && wfa.ExecDate.Equal(*we.ExecDate) && wfa.WorkflowID == we.WorkflowID
+}
+
 // tool to transform the argo status to a state
 func (wfa *WorkflowExecution) ArgoStatusToState(status string) *WorkflowExecution {
 	status = strings.ToLower(status)