[clang] [analyzer] Revert incorrect LazyCoumpoundVal changes (PR #163461)

[Marco Borgeaud via cfe-commits]

https://github.com/marco-antognini-sonarsource commented:

Thanks to both of you. Now, I'll admit I'm not equipped to fully appreciate your comments and won't be able to help much in fixing the technical debt and get a better fix... Just managing expectations here. 🙃 

https://github.com/llvm/llvm-project/pull/163461