Merge pull request #2154 from Holger-Will/dev-esm

allow script tags with src to reference esm modules

packages/node_modules/@node-red/editor-client/src/js/red.js

@@ -42,6 +42,9 @@ var RED = (function() {
                             done()
                         }
                     }
+                    if ($(el).attr('type') === "module") {
+                        newScript.type = "module";
+                    }
                     $("#red-ui-editor-node-configs").append(newScript);
                     newScript.src = RED.settings.apiRootUrl+srcUrl;
                     hasDeferred = true;