JSF NPE when determining converter for primitive values in JBoss EAP 7.2

Issue

We are currently migrating from EAP 6.4 to EAP 7 and have JSF 2.3 features enabled, but we have primitives in our models and therefore we run exactly into this issue:
https://github.com/eclipse-ee4j/mojarra/issues/4500

Red Hat JBoss Enterprise Application Platform (EAP) 7.2

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