create SvNumberFormatter with LANGUAGE_SYSTEM instead of ScGlobal::eLnge

They both end up as the same locale, but with LANGUAGE_SYSTEM the LanguageTag
still has the mbSystemLocale=true "this is the system locale" context.

Change-Id: I7ff8a368e4dc9c6c471dd78be744c842b188478b

sc/source/core/data/poolhelp.cxx

@@ -98,7 +98,7 @@ SvNumberFormatter* ScPoolHelper::CreateNumberFormatter() const
     SvNumberFormatter* p = nullptr;
     {
         osl::MutexGuard aGuard(&maMtxCreateNumFormatter);
-        p = new SvNumberFormatter(comphelper::getProcessComponentContext(), ScGlobal::eLnge);
+        p = new SvNumberFormatter(comphelper::getProcessComponentContext(), LANGUAGE_SYSTEM);
     }
     p->SetColorLink( LINK(m_pSourceDoc, ScDocument, GetUserDefinedColor) );
     p->SetEvalDateFormat(NF_EVALDATEFORMAT_INTL_FORMAT);