Avoid potential NPE and CRD generation error if CRDPostProcessor is set to null #7080
Description
Is your enhancement related to a problem? Please describe
While not very likely, it is possible to easily cause an NPE if the CRD generator is configured with a null CRDPostProcessor.
Describe the solution you'd like
Make sure there's always a valid post-processor or that post-processing is not attempted if the processor is null
Describe alternatives you've considered
No response
Additional context
No response