fix reporting of dates changes

intention of the code is to store original value
in the results, but it was stored incorrectly, so we
end up with two records in results: first with success
and ISO date, second with value only that is treated
as failure.

lib/RT/Interface/Email/Filter/TakeAction.pm

@@ -284,7 +284,7 @@ sub GetCurrentUser {
             );
             _SetAttribute( $ticket_as_user, $attribute, $date->ISO,
                 \%results );
-            $results{ lc $attribute }->{value} = $cmds{ lc $attribute };
+            $results{ $attribute }->{value} = $cmds{ lc $attribute };
         }
 
         foreach my $type ( @WATCHER_ATTRIBUTES ) {