From 4b242232909f75bbe1cbf2c6809d09af6e07e14d Mon Sep 17 00:00:00 2001
From: Steve-Mcl <sdmclaughlin@gmail.com>
Date: Mon, 29 May 2023 23:55:52 +0100
Subject: [PATCH] Dont clone group node `node` array fixes #4198

---
 .../node_modules/@node-red/editor-client/src/js/ui/editor.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/packages/node_modules/@node-red/editor-client/src/js/ui/editor.js b/packages/node_modules/@node-red/editor-client/src/js/ui/editor.js
index 3c994491c..0ef3892e7 100644
--- a/packages/node_modules/@node-red/editor-client/src/js/ui/editor.js
+++ b/packages/node_modules/@node-red/editor-client/src/js/ui/editor.js
@@ -720,7 +720,10 @@ RED.editor = (function() {
                     if (typeof editing_node[d] === "string" || typeof editing_node[d] === "number") {
                         oldValues[d] = editing_node[d];
                     } else {
-                        oldValues[d] = $.extend(true,{},{v:editing_node[d]}).v;
+                        // Dont clone the group node `nodes` array
+                        if (editing_node.type !== 'group' || d !== "nodes") {
+                            oldValues[d] = $.extend(true,{},{v:editing_node[d]}).v;
+                        }
                     }
                 }
             }