Remove any unexpected properties when persisting pinned item

Author: Tyriar

src/vs/platform/quickinput/browser/quickPickPin.ts

@@ -107,11 +107,19 @@ function updatePinnedItems(storageKey: string, changedItem: IQuickPickItem, stor
 	} else {
 		items.push(changedItem);
 	}
-	storageService.store(storageKey, JSON.stringify(items), StorageScope.WORKSPACE, StorageTarget.MACHINE);
+	storageService.store(storageKey, JSON.stringify(items.map(formatPinnedItemForStorage)), StorageScope.WORKSPACE, StorageTarget.MACHINE);
 	return items;
 }
 
 function getPinnedItems(storageKey: string, storageService: IStorageService): IQuickPickItem[] {
 	const items = storageService.get(storageKey, StorageScope.WORKSPACE);
 	return items ? JSON.parse(items) : [];
 }
+
+function formatPinnedItemForStorage(item: IQuickPickItem): IQuickPickItem {
+	return {
+		label: item.label,
+		description: item.description,
+		detail: item.detail,
+	};
+}