Throw a proper exception if no convert is found

Prior to this commit, no exception was raised if a message could not
be converted to the requested payload because no suitable converter
were found.

This commit adds an explicit check if the converted payload is null.

Issue: SPR-11817

spring-jms/src/main/java/org/springframework/jms/messaging/JmsMessagingTemplate.java

@@ -194,11 +194,10 @@ public class JmsMessagingTemplate
 	}
 
 	@Override
-	@SuppressWarnings("unchecked")
 	public <T> T receiveAndConvert(String destinationName, Class<T> targetClass) throws MessagingException {
 		Message<?> message = doReceive(destinationName);
 		if (message != null) {
-			return (T) getMessageConverter().fromMessage(message, targetClass);
+			return doConvert(message, targetClass);
 		}
 		else {
 			return null;