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

Fixes #11125
Closes gh-1448

diff --git a/ui/dialog.js b/ui/dialog.js
index a86f654d2a1d3749ff96672102b7b33b6293f5cf..8381443aec68f94b4a3d92dc518e285a1175bcd3 100644 (file)
--- a/ui/dialog.js
+++ b/ui/dialog.js
@@ -155,6 +155,7 @@ return $.widget( "ui.dialog", {
                var next,
                        originalPosition = this.originalPosition;
 
+               this._untrackInstance();
                this._destroyOverlay();
 
                this.element