feat: better FatalLoadError, clean up build outputs & fix some def's

Minecraft.Client/Durango/DurangoExtras/DurangoStubs.cpp

@@ -61,7 +61,6 @@ DWORD XGetLanguage()
 	case eMCLang_zhTW:
 	case eMCLang_zhCHT:
 		return XC_LANGUAGE_TCHINESE;
-	case eMCLang_zhCHS:
 	case eMCLang_zhCN:
 		return XC_LANGUAGE_SCHINESE;
 	case eMCLang_ptPT:
@@ -89,7 +88,7 @@ DWORD XGetLanguage()
 	case eMCLang_trTR:
 		return XC_LANGUAGE_TURKISH;
 	case eMCLang_laLAS:
-		return XC_LANGUAGE_LATINAMERICANSPANISH;
+		return XC_LOCALE_LATIN_AMERICA;
 	case eMCLang_elEL:
 	case eMCLang_elGR:
 	case eMCLang_enGR: // Hack redirect