tdf#125211 add PickListEntry to MediaDescriptor

Property "PickListEntry" is available since LO 5.1 but not
mentioned in css.document.MediaDescriptor.
original change has been committed with tdf#95095.

Change-Id: I684e4c76f79c9646af3cac9670790d2b2c3eca97
Reviewed-on: https://gerrit.libreoffice.org/72553
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>

offapi/com/sun/star/document/MediaDescriptor.idl

@@ -346,6 +346,17 @@ service MediaDescriptor
      */
     [optional,property] sequence< byte > PostData;
 
+    /** add loaded document to recent document list
+
+        <p>
+        Setting this to `FALSE` prevents the loaded document to be added to the recent documents list.
+        Default is `TRUE`.
+        </p>
+
+        @since LibreOffice 5.1
+     */
+    [optional,property] boolean PickListEntry;
+
     /** use MediaDescriptor::PostData instead of this
 
         <p>