ui core: enableSelection, disableSelection: Removed selectstart event…

… filters from enableDisable and disableSelection as these are general utility convenience methods intended to prevent native browser text selection not jQuery UI Selectable selection. Fixes #5477 - core: enableSelection and disableSelection should only prevent native browser text selection

ui/jquery.ui.core.js

@@ -118,15 +118,13 @@ $.fn.extend({
 	enableSelection: function() {
 		return this
 			.attr('unselectable', 'off')
-			.css('MozUserSelect', '')
-			.unbind('selectstart.ui');
+			.css('MozUserSelect', '');
 	},
 
 	disableSelection: function() {
 		return this
 			.attr('unselectable', 'on')
-			.css('MozUserSelect', 'none')
-			.bind('selectstart.ui', function() { return false; });
+			.css('MozUserSelect', 'none');
 	},
 
 	scrollParent: function() {