From d667c93ff3d2fd2e8887db9d67629ce3fe197b4c Mon Sep 17 00:00:00 2001
From: Maurizio Vitale <maurizio.vitale@alfresco.com>
Date: Wed, 3 Jun 2020 14:32:00 +0100
Subject: [PATCH] Fix the obj reference (#5749)

---
 lib/extensions/src/lib/services/extension.service.ts | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/lib/extensions/src/lib/services/extension.service.ts b/lib/extensions/src/lib/services/extension.service.ts
index c097478366..f25d52d479 100644
--- a/lib/extensions/src/lib/services/extension.service.ts
+++ b/lib/extensions/src/lib/services/extension.service.ts
@@ -202,10 +202,11 @@ export class ExtensionService {
         if (typeof value === 'string' ) {
             return this.evaluateExpression(value, context);
         } else {
-            Object.keys(value).forEach( (key) => {
-                value[key] = this.evaluateExpression(value[key], context);
+            const duplicate = Object.assign({}, value);
+            Object.keys(duplicate).forEach( (key) => {
+                duplicate[key] = this.evaluateExpression(duplicate[key], context);
             });
-            return value;
+            return duplicate;
         }
     }