Fix image display on mosaic mode

capsule-prototype/js/MosaicPanelWidget.js

@@ -39,7 +39,7 @@
                     if (reg === 'rekall') {
                         if (type === 'marker') type = 'note';
                     }
-                    return "../shared/css/images/img-" + type + ".png";
+                    return tagOrDoc.getDownloadLink() || "../shared/css/images/img-" + type + ".png";
                 } else {
                     return path;
                 }