Merge pull request #3734 from node-red-hitachi/fix-close-websocket

Fix close timeout of websocket node

packages/node_modules/@node-red/nodes/core/network/22-websocket.js

@@ -215,6 +215,7 @@ module.exports = function(RED) {
                 delete listenerNodes[node.fullPath];
                 node.server.close();
                 node._inputNodes = [];
+                done();
             }
             else {
                 node.closing = true;