Use a per-request TaskQueue for blocking GraphQL over WebSockets

[jmartisk]

Describe the bug

Follow-up on #54372 for WebSockets

Expected behavior

No response

Actual behavior

No response

How to Reproduce?

No response

Output of uname -a or ver

No response

Output of java -version

No response

Quarkus version or git rev

No response

Build tool (ie. output of mvnw --version or gradlew --version)

No response

Additional information

No response

[quarkus-bot]

/cc @phillip-kruger (graphql)