use FailThrough when available

common/addons/config-feature/src/main/java/com/dfsek/terra/addons/feature/FeatureAddon.java

@@ -21,6 +21,7 @@ public class FeatureAddon extends TerraAddon {
         main.getEventManager()
                 .getHandler(FunctionalEventHandler.class)
                 .register(this, ConfigPackPreLoadEvent.class)
-                .then(event -> event.getPack().registerConfigType(new FeatureConfigType(), "FEATURE", 2));
+                .then(event -> event.getPack().registerConfigType(new FeatureConfigType(), "FEATURE", 2))
+                .failThrough();
     }
 }