[clang-tools-extra] [clang-tidy][NFC] Add `findTokenInRange` and reuse it (PR #183941)

[Daniil Dudkin via cfe-commits]

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@@ -126,6 +127,13 @@ std::vector<CommentToken>
 getTrailingCommentsInRange(CharSourceRange Range, const SourceManager &SM,
                            const LangOptions &LangOpts);
 
+/// Returns the first token in \p Range matching \p Pred.
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unterumarmung wrote:

Done

https://github.com/llvm/llvm-project/pull/183941