Ensure that Transfer-Encoding and Content-Length are not both set

[geoand]

The combination of these two HTTP headers is illegal, so let's make sure RESTEasy Reactive does not send the Content-Length header when Transfer-Encoding is set

Fixes: #29059

[quarkus-bot]

Failing Jobs - Building b632c9e

Status	Name	Step	Failures	Logs	Raw logs
✔️	JVM Tests - JDK 11
✖	JVM Tests - JDK 17	Build	Failures	Logs	Raw logs
✔️	JVM Tests - JDK 17 MacOS M1
✔️	JVM Tests - JDK 18

Full information is available in the Build summary check run.

Failures

⚙️ JVM Tests - JDK 17 #

- Failing: extensions/micrometer/deployment integration-tests/reactive-messaging-hibernate-orm 
! Skipped: extensions/micrometer-registry-prometheus/deployment extensions/quartz/deployment extensions/scheduler/deployment and 18 more

📦 extensions/micrometer/deployment

✖ io.quarkus.micrometer.deployment.binder.HttpDevModeConfigTest.test line 90 - More details - Source on GitHub

java.lang.AssertionError: 
1 expectation failed.
Response body doesn't match expectation.

📦 integration-tests/reactive-messaging-hibernate-orm

✖ io.quarkus.it.kafka.KafkaConnectorTest.testFruits line 50 - More details - Source on GitHub

org.awaitility.core.ConditionTimeoutException: Assertion condition defined as a io.quarkus.it.kafka.KafkaConnectorTest expected: <6> but was: <1> within 10 seconds.
	at org.awaitility.core.ConditionAwaiter.await(ConditionAwaiter.java:167)
	at org.awaitility.core.AssertionCondition.await(AssertionCondition.java:119)