Merge pull request #4012 from vector-im/t3chguy/electron_settings

auto-launch support [Electron]

src/vector/platform/ElectronPlatform.js

@@ -153,6 +153,8 @@ export default class ElectronPlatform extends VectorBasePlatform {
         return null;
     }
 
+    isElectron(): boolean { return true; }
+
     requestNotificationPermission(): Promise<string> {
         return q('granted');
     }