BUG: open ticket 5880 always show the current page type in the page t…

…ype dropdown list

code/model/SiteTree.php

@@ -2333,7 +2333,11 @@ protected function getClassDropdown() {
 		$result = array();
 		foreach($classes as $class) {
 			$instance = singleton($class);
-			if((($instance instanceof HiddenClass) || !$instance->canCreate())) continue;
+
+			// if the current page type is this the same as the class type always show the page type in the list see open ticket 5880 for why
+			if ($this->ClassName != $instance->ClassName) {
+				if((($instance instanceof HiddenClass) || !$instance->canCreate())) continue;
+			}
 
 			if($perms = $instance->stat('need_permission')) {
 				if(!$this->can($perms)) continue;