[HTML] Ensure safe global locale fallback setup #10652
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Currently, in some environments, simc may throw an exception during HTML report creation if the locales
en_US.UTF-8
anden_US.utf8
do not exist.This PR makes the global locale setup in the HTML report section more robust by adding a fallback mechanism. It tries several common locale names and falls back to
std::locale::classic()
(which should never fail) as a last resort.