Fix issue with StompSubProtocolHandler initialization

This change ensures that StompSubProtocolHandler is injected with an
ApplicationEventPublisher for both the Java and XML config.

Backport for:
https://github.com/spring-projects/spring-framework/commit/0dddb6f3e19377cb397f0396e85734df2c19c2b6
https://github.com/spring-projects/spring-framework/commit/4372dac002be4dd9be9568fafb442cde5b6d1ada

Issue: SPR-11825