Dialog: Stop tracking instance in destroy() to avoid memory leaks

Fixes #11125
Closes gh-1448
(cherry picked from commit ec1f393c39aa5bbac1158acf692271f8ce9518ce)

diff --git a/ui/dialog.js b/ui/dialog.js
index e5c0bfe21f9efea6ddf875755352aaf13fb72d6a..d10b836572d1411f0a70226f6f297f6cb54a32ef 100644 (file)
--- a/ui/dialog.js
+++ b/ui/dialog.js
@@ -150,6 +150,7 @@ return $.widget( "ui.dialog", {
                var next,
                        originalPosition = this.originalPosition;
 
+               this._untrackInstance();
                this._destroyOverlay();
 
                this.element