No HttpMessageConverter for java.util.HashMap and content type "application/x-www-form-urlencoded;charset=UTF-8"

[Orca007]

In what version(s) of Spring Integration are you seeing this issue?

5.5.x

Describe the bug

No HttpMessageConverter for java.util.HashMap and content type "application/x-www-form-urlencoded;charset=UTF-8"
While "application/x-www-form-urlencoded" works fine.

To Reproduce

context configuration:
`

<int:chain input-channel="inputChannel" output-channel="outputChannel">
    <http:outbound-gateway id="gateway" expected-response-type="java.lang.String"
                           url="http://someurl"
                           http-method="POST"
                           extract-request-payload="true"
                           request-factory="sslFactory"/>
</int:chain>

`

Test:

`
Map<String, String> payload = ImmutableMap.of("data", "abcdef");

    inputChannel.send(MessageBuilder.withPayload(Maps.newHashMap(payload))
            .setHeader("Content-Type", "application/x-www-form-urlencoded;charset=UTF-8")
            .build());
    Message<?> result = outputChannel.receive(1000);

`

Result:
No HttpMessageConverter for java.util.HashMap and content type "application/x-www-form-urlencoded;charset=UTF-8"

Expected behavior

hope it works fine same as the header Content-Type=application/x-www-form-urlencoded

Sample

AbstractHttpRequestExecutingMessageHandler.java line 381

[artembilan]

The code:

if ((MediaType.APPLICATION_FORM_URLENCODED.equals(httpHeaders.getContentType()) ||
				MediaType.MULTIPART_FORM_DATA.equals(httpHeaders.getContentType()))

is wrong. It must use equalsTypeAndSubtype ignoring any parameters.

Feel free to contribute the fix: https://github.com/spring-projects/spring-integration/blob/main/CONTRIBUTING.adoc.

Thank you!