From 6e4394d59ec31fe03e62bb5cf76f558b60a3943d Mon Sep 17 00:00:00 2001
From: sixlighthouses <brendon.ward@sixlighthouses.com>
Date: Mon, 7 Aug 2023 09:47:58 +1000
Subject: [PATCH] use set to de dupe the workbench items in the set method

---
 lib/Models/Workbench.ts | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/lib/Models/Workbench.ts b/lib/Models/Workbench.ts
index c508fee8639..be39533aafe 100644
--- a/lib/Models/Workbench.ts
+++ b/lib/Models/Workbench.ts
@@ -34,7 +34,12 @@ export default class Workbench {
     return this._items.map(dereferenceModel);
   }
   set items(items: readonly BaseModel[]) {
-    this._items.spliceWithArray(0, this._items.length, items.slice());
+    const setItems = new Set(items);
+    this._items.spliceWithArray(
+      0,
+      this._items.length,
+      Array.from(setItems).slice()
+    );
   }
 
   /**