Correctly sets default system language for yuzu-CLI (#1727)

* Correctly sets default system language for yuzu-CLI

A user reported that yuzu_cmd runs games in Japanese rather than the correct default of English (like yuzu-qt does correctly), this change fixes that.

* fix clang issue

deleted whitespace

src/yuzu_cmd/config.cpp

@@ -139,6 +139,8 @@ void Config::ReadValues() {
         Settings::values.rng_seed = std::nullopt;
     }
 
+    Settings::values.language_index = sdl2_config->GetInteger("System", "language_index", 1);
+
     // Miscellaneous
     Settings::values.log_filter = sdl2_config->Get("Miscellaneous", "log_filter", "*:Trace");
     Settings::values.use_dev_keys = sdl2_config->GetBoolean("Miscellaneous", "use_dev_keys", false);