[clang-tools-extra] [clang-tidy][NFC] Enable 'performance-move-const-arg' in '.clang-tidy' config (PR #148549)

[Congcong Cai via cfe-commits]

HerrCai0907 wrote:

Are they really need to "std::move" in the patch?
I think `MixData` is meaningless since it is still need to copy all field. 

https://github.com/llvm/llvm-project/pull/148549