Rework time service to fix time passing offline.

src/core/hle/service/ns/language.cpp

@@ -415,4 +415,4 @@ std::optional<Set::LanguageCode> ConvertToLanguageCode(const ApplicationLanguage
         return std::nullopt;
     }
 }
-} // namespace Service::NS
+} // namespace Service::NS

src/core/hle/service/ns/language.h

@@ -5,10 +5,7 @@
 
 #include <optional>
 #include "common/common_types.h"
-
-namespace Service::Set {
-enum class LanguageCode : u64;
-}
+#include "core/hle/service/set/system_settings_server.h"
 
 namespace Service::NS {
 /// This is nn::ns::detail::ApplicationLanguage