[clang] [webkit.UncountedLambdaCapturesChecker] Ignore a lambda which gets called immediately (PR #162977)

[Balázs Benics via cfe-commits]

https://github.com/steakhal commented:

Hey, I'm first time looking at webkit things under CSA.
Take my comments with that respect.

https://github.com/llvm/llvm-project/pull/162977