Use default export regardless

This is the only way I could get Kotlin/JS to work with Vizality. So far, I haven't seen any other plugins break, but it's a good idea to test this a bit.

renderer/src/managers/Addon.js

@@ -239,7 +239,7 @@ export default class AddonManager extends Events {
 
     try {
       const addonModule = await import(resolve(this.dir, addonId));
-      const Addon = addonModule?.__esModule ? addonModule.default : addonModule;
+      const Addon = addonModule.default;
 
       Object.defineProperties(Addon?.prototype, {
         addonId: {