Race condition when creating client protocol mappers in the Red Hat Single Sign-On (RH SSO) Operator

Issue

When creating new clients, often the error below appears in the logs:

[0m[31m09:35:45,541 ERROR [org.keycloak.services.error.KeycloakErrorHandler] (default task-23) Uncaught server error: java.lang.IllegalStateException: Duplicate key openid-connect%Client ID (attempted merging values org.keycloak.models.ProtocolMapperModel@XXX and org.keycloak.models.ProtocolMapperModel@YYY)
    at java.base/java.util.stream.Collectors.duplicateKeyException(Collectors.java:133)
    ...
    at org.jboss.xnio@3.8.9.Final-redhat-00001//org.xnio.XnioWorker$WorkerThreadFactory$1$1.run(XnioWorker.java:1282)
    at java.base/java.lang.Thread.run(Thread.java:829)