enabled empty tray icon

  (fixes click event on macos)

Author: writzx

ElectronNET.API/Tray.cs

@@ -263,6 +263,15 @@ public void Show(string image, MenuItem[] menuItems)
             });
         }
 
+        /// <summary>
+        /// Shows the Traybar (empty).
+        /// </summary>
+        /// <param name="image">The image.</param>
+        public void Show(string image)
+        {
+            BridgeConnector.Socket.Emit("create-tray", image);
+        }
+
         /// <summary>
         /// Destroys the tray icon immediately.
         /// </summary>

ElectronNET.Host/api/tray.js

@@ -53,16 +53,18 @@ export = (socket: SocketIO.Socket) => {
     });
 
     socket.on('create-tray', (image, menuItems) => {
-        const menu = Menu.buildFromTemplate(menuItems);
-
-        addMenuItemClickConnector(menu.items, (id) => {
-            electronSocket.emit('trayMenuItemClicked', id);
-        });
-
         const trayIcon = nativeImage.createFromPath(image);
 
         tray = new Tray(trayIcon);
-        tray.setContextMenu(menu);
+
+        if (menuItems) {
+            const menu = Menu.buildFromTemplate(menuItems);
+    
+            addMenuItemClickConnector(menu.items, (id) => {
+                electronSocket.emit('trayMenuItemClicked', id);
+            });
+            tray.setContextMenu(menu);
+        }
     });
 
     socket.on('tray-destroy', () => {