Fix "spring.integration.rsocket" canonical name

See gh-18834

Author: bclozel

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/integration/IntegrationAutoConfiguration.java

@@ -194,7 +194,7 @@ public RSocketMessageHandler serverRSocketMessageHandler(RSocketStrategies rSock
 					IntegrationProperties integrationProperties) {
 
 				RSocketMessageHandler messageHandler = new ServerRSocketMessageHandler(
-						integrationProperties.getRSocket().getServer().isMessageMappingEnabled());
+						integrationProperties.getRsocket().getServer().isMessageMappingEnabled());
 				messageHandler.setRSocketStrategies(rSocketStrategies);
 				return messageHandler;
 			}
@@ -216,7 +216,7 @@ protected static class IntegrationRSocketClientConfiguration {
 			public ClientRSocketConnector clientRSocketConnector(IntegrationProperties integrationProperties,
 					RSocketStrategies rSocketStrategies) {
 
-				IntegrationProperties.RSocket.Client client = integrationProperties.getRSocket().getClient();
+				IntegrationProperties.RSocket.Client client = integrationProperties.getRsocket().getClient();
 				ClientRSocketConnector clientRSocketConnector = (client.getUri() != null)
 						? new ClientRSocketConnector(client.getUri())
 						: new ClientRSocketConnector(client.getHost(), client.getPort());

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/integration/IntegrationProperties.java

@@ -40,7 +40,7 @@ public Jdbc getJdbc() {
 		return this.jdbc;
 	}
 
-	public RSocket getRSocket() {
+	public RSocket getRsocket() {
 		return this.rsocket;
 	}