Mouse: Fix delay timeout clearing upon mouseup

Fixes #14458
Closes gh-1579

(cherry picked from commit 9b82001a70a6273df037db9e602080011d0fd7ba)

diff --git a/ui/mouse.js b/ui/mouse.js
index 79291bd2423e78871099499f3a60fc92d14823a6..87c67bbf2c4b38af1aa0ddad76c7eabca5126035 100644 (file)
--- a/ui/mouse.js
+++ b/ui/mouse.js
@@ -173,6 +173,11 @@ return $.widget("ui.mouse", {
                        this._mouseStop(event);
                }
 
+               if (this._mouseDelayTimer) {
+                       clearTimeout(this._mouseDelayTimer);
+                       delete this._mouseDelayTimer;
+               }
+
                mouseHandled = false;
                return false;
        },