ydb/library/cpp/yt/system/env.cpp, branch CLI

ydb/library/cpp/yt/system/env.cpp, branch CLI_2.30.0 Mirror of YDB github repos https://code.mastervirt.ru/ydb/atom?h=CLI_2.30.0 2025-11-02T16:05:26Z YT-18571: Refactor environ helpers 2025-11-02T16:05:26Z babenko babenko@yandex-team.com 2025-11-02T15:36:17Z urn:sha1:4b825604602f6a5491a132c6f3b5e0c7c899d997 commit_hash:72977e13820ded4a38d19076b1d336c9bb910dbf