Fix dock

electron.js

@@ -74,6 +74,10 @@ function createWindow() {
     }
   });
 
+  if ((os.platform() === 'darwin') && launchHidden) {
+    app.dock.hide();
+  }
+
   // and load the index.html of the app.
   const startUrl = process.env.ELECTRON_START_URL || url.format({
     pathname: path.join(__dirname, '/build/index.html'),
@@ -175,7 +179,7 @@ if (!instanceLock) {
 } else {
   app.on('second-instance', () => {
     if (mainWindow) {
-      setWindowVisibility(true, true);
+      setWindowVisibility(true);
     }
   });