[clang-tools-extra] [clang-tidy][NFC] Fix `bugprone-unchecked-optional-access` warnings in codebase (PR #170004)

[Baranov Victor via cfe-commits]

vbvictor wrote:

> The latest log is here: [check.log](https://github.com/user-attachments/files/24837492/check.log)

To strip noisy output you can use, `-hide-progress` +  `-quiet` flags

https://github.com/llvm/llvm-project/pull/170004