Only in package.new/: Rocket.Chat.Electron-2.15.0
diff -ura package.orig/electron-builder.json package.new/electron-builder.json
--- package.orig/electron-builder.json	2019-02-28 10:01:42.724497392 +0100
+++ package.new/electron-builder.json	2019-02-28 10:01:21.624276060 +0100
@@ -78,12 +78,10 @@
     ],
     "artifactName": "rocketchat-${version}-${arch}.${ext}"
   },
+  "electronDist": "/usr/lib/electron",
   "linux": {
     "target": [
-      "tar.gz",
-      "deb",
-      "rpm",
-      "snap"
+      "dir"
     ],
     "executableName": "rocketchat-desktop",
     "category": "GNOME;GTK;Network;InstantMessaging",