[clang] [Clang] Use getNonTypeTemplateArgumentType fallback in getTypeOfConstantTemplateParameter (PR #231983)

[Emmanuel Antonio via cfe-commits]

EmmanuelAC1 wrote:

Thank you, let me see if I can come up also with something. 

Tagging also @shafik and @zyn0217 for vis.

https://github.com/llvm/llvm-project/pull/231983