Mouse: Unbind events bound to document on destroy. Fixes #8199 - _mouseDestroy keeps mousemove and mouseup events bound.

(cherry picked from commit 94c6f9e)

Author: scottgonzalez

ui/jquery.ui.mouse.js

@@ -45,6 +45,9 @@ $.widget("ui.mouse", {
 	// other instances of mouse
 	_mouseDestroy: function() {
 		this.element.unbind('.'+this.widgetName);
+		$(document)
+			.unbind('mousemove.'+this.widgetName, this._mouseMoveDelegate)
+			.unbind('mouseup.'+this.widgetName, this._mouseUpDelegate);
 	},
 
 	_mouseDown: function(event) {