Fix a null reference exception when showing parameter help #4971
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PR Summary
Fix #4960
The null reference is caused by the expression
helpContent.type.namein the code.helpContentis a dynamic object that's guaranteed to not benull, and in a rare case,helpContent.typeis null, so null reference exception gets thrown.It's fixed by using
helpContent.type?.name. @kborowinski kindly validated and confirmed the fix (THANK YOU!).Microsoft Reviewers: Open in CodeFlow