Changed approver role to see "delta to be approved"

gui/admin-gui/src/main/resources/initial-objects/041-role-approver.xml

@@ -46,7 +46,7 @@
     <authorization id="2">
         <name>tasks-read</name>
         <description>
-            Allow to see the requester of the operation that is being approved.
+            Allow to see the requester of the operation that is being approved and the current delta.
             In order for the approver to see other properties (e.g. history of the approvals) please allow read access
             to other items as well, e.g. to the whole workflowContext.
         </description>
@@ -55,6 +55,7 @@
             <type>TaskType</type>
         </object>
         <item>workflowContext/requesterRef</item>
+        <item>workflowContext/processorSpecificState</item>
     </authorization>
     <authorization>
     	<name>users-read</name>