UnsafeInstantiator used to create instances of enhanced subclasses

If unsafe instantiators are unabled, UnsafeInstantiator is used to create instances of enhanced subclasses. As a result, an @Inject annotated constructor is not called. For now, UnsafeInstantiator should only be used for instantiation of client proxies.

The bug can be reproduces by modifying PerDeploymentInstantiatorWithTest to include:

assertNotNull(bean.getUnproxiable().getBm());