Fix corrupted channel trouble with native binary build

[rsvoboda]

Fix corrupted channel trouble with native binary build

Details in quarkus-qe/quarkus-test-framework#785

Relates to quarkus-qe/quarkus-test-framework#786

Example command: mvn clean verify -Dit.test=WebSocketsClientIT -f websockets/websockets-client -Dnative -Dquarkus.native.container-build=false

Please select the relevant options.

• Bug fix (non-breaking change which fixes an issue)
• Dependency update
• Refactoring
• Backport
• New scenario (non-breaking change which adds functionality)
• This change requires a documentation update
• This change requires execution against OCP (use run tests phrase in comment)

Checklist:

• Methods and classes used in PR scenarios are meaningful
• Commits are well encapsulated and follow the best practices

[michalvavrik]

LGTM

[rsvoboda]

Failure is not related to the changes

Error:  Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 75.937 s <<< FAILURE! - in io.quarkus.ts.http.graphql.telemetry.GraphQLTelemetryIT
Error:  io.quarkus.ts.http.graphql.telemetry.GraphQLTelemetryIT.verifyTelemetry  Time elapsed: 63.813 s  <<< ERROR!
org.awaitility.core.ConditionTimeoutException: Assertion condition defined as a 
  io.quarkus.ts.http.graphql.telemetry.GraphQLTelemetryIT expected: <1> but was: <2> within 1 minutes.