[clang] [analyzer] Restore commutativity of pointer/null comparison for addresses of fields of symbolic regions (PR #209875)

[Balázs Benics via cfe-commits]

steakhal wrote:

> Thanks just changed the title ! Do you want me to change the commit name too?

No need. PRs are squashed merged anyway.

https://github.com/llvm/llvm-project/pull/209875