Merge pull request #5137 from dschmidt/patch-2

feat: import default export if plugin is a transpiled es module

packages/node_modules/@node-red/registry/lib/loader.js

@@ -406,6 +406,7 @@ async function loadPlugin(plugin) {
     }
     try {
         var r = require(plugin.file);
+        r = r.__esModule ? r.default : r
         if (typeof r === "function") {
 
             var red = registryUtil.createNodeApi(plugin);