Tabs: Pass an element instead of jQuery object on initial show. Fixes #6867 - Inconsistent ui.panel contents for show event of tabs widget.

Author: scottgonzalez

ui/jquery.ui.tabs.js

@@ -216,7 +216,7 @@ $.widget( "ui.tabs", {
 				// seems to be expected behavior that the show callback is fired
 				self.element.queue( "tabs", function() {
 					self._trigger( "show", null,
-						self._ui( self.anchors[ o.selected ], self.element.find( self._sanitizeSelector( self.anchors[ o.selected ].hash ) ) ) );
+						self._ui( self.anchors[ o.selected ], self.element.find( self._sanitizeSelector( self.anchors[ o.selected ].hash ) )[ 0 ] ) );
 				});
 
 				this.load( o.selected );