[clang-tools-extra] [clang] [clang-tidy] fix match for binaryOperator in ExprMutationAnalyzer for misc-const-correctness (PR #70559)

[Julian Schmidt via cfe-commits]

5chmidti wrote:

> In tests we usually use `-fno-delayed-template-parsing` to overcome this issue with templates and windows.

Done. I changed the test in `ExprMutationAnalyzerTest.cpp` to use the flag, `const-correctness-templates.cpp` already had it, and I changed the tested code back to what it was before (-formatting).

https://github.com/llvm/llvm-project/pull/70559