[clang] [clang][CodeComplete] Use HeuristicResolver in getAsRecordDecl() (PR #130473)

[Nathan Ridge via cfe-commits]

HighCommander4 wrote:

(I messed things up a bit here by merging a PR that was stacked on top of this into this one. Marking as Draft until I sort that out.)

https://github.com/llvm/llvm-project/pull/130473