add comment to separate two "halves" of function

Co-authored-by: cam-schultz <[email protected]>
Signed-off-by: F. Eugene Aumson <[email protected]>

messages/teleporter/message_handler.go

@@ -179,7 +179,8 @@ func (m *messageHandler) ShouldSendMessage(destinationClient vms.DestinationClie
 		)
 		return false, nil
 	}
-
+// Dispatch to the external decider service. If the service is unavailable or returns
+// an error, then use the decision that has already been made, i.e. return true
 	decision, err := m.getShouldSendMessageFromDecider()
 	if err != nil {
 		m.logger.Warn(