- Refactors "useTranslationsCustomizer" to "useCustomTranslations" - Refactors "useLanguageSynchronizer" to "useSynchronizedLanguage" - Refactors "LanguagePicker" to better reflect its component role - Refactors "LanguagePicker" to use "useSynchronizedLangue" - Removes unused "useChangeUserLanguage" - To change the user language, use "useAuthMutation" instead Signed-off-by: Robin Weber <weber@b1-systems.de>