API CHANGE: Allow DataObject searchablefields to be decorated with updateSearchableFields

API CHANGE: Allow Group CMS fields to be decorated with updateCMSFields
API CHANGE: TableListField utility links no longer have target=_blank

git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@60665 467b73ca-7a2a-4603-9d3b-597d59a354a9

core/model/DataObject.php

@@ -2396,6 +2396,8 @@ class DataObject extends ViewableData implements DataObjectInterface {
 			}
 		}
 		$fields = $rewrite;
+		
+		$this->extend('updateSearchableFields', $fields);
 
 		return $fields;
 	}

security/Group.php

@@ -105,6 +105,8 @@ class Group extends DataObject {
 
 		$fields->push($idField = new HiddenField("ID"));
 		
+		$this->extend('updateCMSFields', $fields);
+		
 		return $fields;
 	}
 	

templates/TableListField.ss

@@ -75,7 +75,7 @@
 	</table>
 	<div class="utility">
 		<% control Utility %>
-			<span class="item"><a href="$Link" target="_blank">$Title</a></span>
+			<span class="item"><a href="$Link">$Title</a></span>
 		<% end_control %>
 	</div>
 </div>