[clang] [Clang][Sema] Use the correct injected template arguments for partial specializations when collecting multi-level template argument lists (PR #112381)

[Younan Zhang via cfe-commits]

https://github.com/zyn0217 approved this pull request.

LG modulo one question. Thanks for the prompt fix.

https://github.com/llvm/llvm-project/pull/112381