Re-add matching by group name in start_session actions

flows/actions/base.go

@@ -229,6 +229,8 @@ type otherContactsAction struct {
 }
 
 func (a *otherContactsAction) resolveRecipients(run flows.Run, logEvent flows.EventCallback) ([]*assets.GroupReference, []*flows.ContactReference, string, []urns.URN, error) {
+	groupSet := run.Session().Assets().Groups()
+
 	// copy URNs
 	urnList := make([]urns.URN, 0, len(a.URNs))
 	urnList = append(urnList, a.URNs...)
@@ -257,6 +259,9 @@ func (a *otherContactsAction) resolveRecipients(run flows.Run, logEvent flows.Ev
 			// if variable evaluates to a UUID, we assume it's a contact UUID
 			contactRefs = append(contactRefs, flows.NewContactReference(flows.ContactUUID(evaluatedLegacyVar), ""))
 
+		} else if groupByName := groupSet.FindByName(evaluatedLegacyVar); groupByName != nil {
+			// next up we look for a group with a matching name
+			groupRefs = append(groupRefs, groupByName.Reference())
 		} else {
 			// next up try it as a URN
 			urn := urns.URN(evaluatedLegacyVar)