From f181948c7e4d473863fb4c3fc0006bcd0c4220d4 Mon Sep 17 00:00:00 2001
From: Tim Fischbach <tfischbach@codevise.de>
Date: Tue, 1 Oct 2024 14:06:09 +0200
Subject: [PATCH] Fix flickering when sorting sections after returning to the
 outline

Properly tear down sortables. On second visit of the outline, the old
sortables were still intervening and causing chaotic behavior.

REDMINE-20837
---
 package/src/ui/views/SortableCollectionView.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/package/src/ui/views/SortableCollectionView.js b/package/src/ui/views/SortableCollectionView.js
index 2c31b0ec2..ed6a5f4fc 100644
--- a/package/src/ui/views/SortableCollectionView.js
+++ b/package/src/ui/views/SortableCollectionView.js
@@ -46,6 +46,11 @@ export const SortableCollectionView = CollectionView.extend({
     return this;
   },
 
+  onClose() {
+    CollectionView.prototype.onClose.call(this);
+    this.sortable.destroy();
+  },
+
   disableSorting() {
     this.sortable.option('disabled', true);
   },