GH-3201: Fix AbsMessageLC for ack in async mode

Fixes: #3201

The `AbstractMessageListenerContainer` does set `this.acknowledgeMode = AcknowledgeMode.MANUAL`
for async mode, but only after `this.acknowledgeMode` is propagated down to the `messageListener`.
Such a misconfiguration leads into unnecessary warning regarding wrong ack mode.

* Change the order how `this.acknowledgeMode` is modified in the `AbstractMessageListenerContainer`
before it is propagated down to the `messageListener`

**Auto-cherry-pick to `3.2.x`**

Author: artembilan

spring-rabbit/src/main/java/org/springframework/amqp/rabbit/listener/AbstractMessageListenerContainer.java

@@ -1218,11 +1218,11 @@ public void afterPropertiesSet() {
 						+ "transactional channel. Either use a different AcknowledgeMode or make sure " +
 						"channelTransacted=false");
 		validateConfiguration();
-		initialize();
 		checkMicrometer();
-		if (this.isAsyncReplies() && !AcknowledgeMode.MANUAL.equals(this.acknowledgeMode)) {
+		if (isAsyncReplies() && !AcknowledgeMode.MANUAL.equals(this.acknowledgeMode)) {
 			this.acknowledgeMode = AcknowledgeMode.MANUAL;
 		}
+		initialize();
 	}
 
 	@Override