[clang-tools-extra] [clang-tidy] Prevent false-positive in presence of derived-to-base cast in bugprone.use-after-move (PR #189638)

[Victor Chernyakin via cfe-commits]

https://github.com/localspook commented:

This is essentially a special case of tracking moves and uses of individual member variables, right? That's new territory for this check.

https://github.com/llvm/llvm-project/pull/189638