ISLANDORA-1998 Check correct permission for replace ds link.

theme/theme.inc

@@ -64,7 +64,7 @@ function template_preprocess_islandora_default_edit(array &$variables) {
     elseif (user_access(ISLANDORA_VIEW_DATASTREAM_HISTORY)) {
       $row[] = array();
     }
-    if (islandora_datastream_access(ISLANDORA_VIEW_DATASTREAM_HISTORY, $ds)) {
+    if (islandora_datastream_access(ISLANDORA_REPLACE_DATASTREAM_CONTENT, $ds)) {
       // Add new datastream content as the lastest version.
       $row[] = array(
         'class' => 'datastream-replace',