Bugfix to JBrowse displayId

Author: bbimber

jbrowse/src/org/labkey/jbrowse/model/JBrowseSession.java

@@ -313,7 +313,7 @@ public JSONObject getDefaultSessionJson(List<JsonFile> tracks, @Nullable List<St
             if (visibleByDefault) {
                 defaultTracks.put(new JSONObject(){{
                     put("type", jf.getTrackType());
-                    put("configuration", jf.getObjectId());
+                    put("configuration", jf.getJsonTrackId());
                     JSONArray displaysArr = new JSONArray();
                     displaysArr.put(new JSONObject(){{
                         String displayType = jf.getDisplayType();