Bug 1847177: Fixing deletion of page comment

Change-Id: Ib9a664473d13e04ac053c0ccfe4f40fd17d77837
Signed-off-by: Robert Lyon <robertl@catalyst.net.nz>

htdocs/js/viewmenu.js

@@ -239,6 +239,7 @@ function delete_comment_from_modal_submit(form, data) {
     if (!data.data.artefact) {
         paginator.updateResults(data);
         paginator.alertProxy('pagechanged', data);
+        return;
     }
     var params = {
         'viewid': viewid,