config: Set cwd to ms0:/ or ef0:/ before creating new config

Author: joel16

app/source/config.cpp

@@ -53,6 +53,7 @@ namespace Config {
             (!document.HasMember("dark_theme")) || (!document.HasMember("dev_options"))) {
             Log::Error("%s failed: Malformed config file, resetting\n", __func__);
             cfg = config_t();
+            cfg.cwd = is_psp_go? "ef0:" : "ms0:";
             return Config::Save(cfg);
         }
 
@@ -67,6 +68,7 @@ namespace Config {
         if (config_version_holder < config_version) {
             sceIoRemove("config.json");
             cfg = config_t();
+            cfg.cwd = is_psp_go? "ef0:" : "ms0:";
             return Config::Save(cfg);
         }