[clang-tools-extra] [clang-tidy][misc-include-cleaner]Avoid to insert same include header multiple times (PR #65431)

[Ding Fei via cfe-commits]

danix800 wrote:

Please refer to https://reviews.llvm.org/D159263 about `areDiagsSelfContained`.

https://github.com/llvm/llvm-project/pull/65431
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