[eap72-openjdk11-openshift-rhel8] Change in behaviour of DEFAULT_JOB_REPOSITORY environment variable

...
        - env:             - name: TESTDB_POSTGRESQL_XA_CONNECTION_PROPERTY_URL
              value: 'jdbc:postgresql://testdb-postgresql:5432/testdb'
            - name: DB_SERVICE_PREFIX_MAPPING
              value: testdb-postgresql=TESTDB_POSTGRESQL
            - name: MQ_TOPICS
              value: test
            - name: MQ_QUEUES
              value: test
            - name: TESTDB_POSTGRESQL_PASSWORD
              value: testpwd
            - name: TESTDB_POSTGRESQL_DATABASE
              value: testdb
            - name: TESTDB_POSTGRESQL_DRIVER
              value: postgresql
            - name: TESTDB_POSTGRESQL_JNDI
              value: 'java:jboss/datasources/postgres'
            - name: DEFAULT_JOB_REPOSITORY
              value: testdb-postgresql
            - name: JAVA_OPTS_APPEND
              value: '-Ddatasource=java:jboss/datasources/postgres'
            - name: TESTDB_POSTGRESQL_USERNAME
              value: testuser
...

[standalone@localhost:9990 /] /subsystem=batch-jberet:read-resource
/subsystem=batch-jberet:read-resource
{
    "outcome" => "success",
    "result" => {
        "default-job-repository" => "in-memory",
        "default-thread-pool" => "batch",
        "restart-jobs-on-resume" => true,
        "security-domain" => undefined,
        "in-memory-job-repository" => {"in-memory" => undefined},
        "jdbc-job-repository" => undefined,
        "thread-factory" => undefined,
        "thread-pool" => {"batch" => undefined}
    }
}

[standalone@localhost:9990 /] /subsystem=batch-jberet:read-resource
{
    "outcome" => "success",
    "result" => {
        "default-job-repository" => "testdb_postgresql-TESTDB_POSTGRESQL",
        "default-thread-pool" => "batch",
        "restart-jobs-on-resume" => true,
        "security-domain" => undefined,
        "in-memory-job-repository" => {"in-memory" => undefined},
        "jdbc-job-repository" => {"testdb_postgresql-TESTDB_POSTGRESQL" => undefined},
        "thread-factory" => undefined,
        "thread-pool" => {"batch" => undefined}
    }
}