Remove default tray icon title and tooltip

Tray icons now have empty title and tooltip by default. Initialization no longer sets these properties, allowing them to be set via the UI instead.

Author: lijy91

examples/tray_icon_example/lib/main.dart

@@ -26,8 +26,8 @@ class TrayIconData {
     this.rightClickCount = 0,
     this.doubleClickCount = 0,
     this.isVisible = true,
-    this.title = 'Tray Icon',
-    this.tooltip = 'Click me!',
+    this.title = '',
+    this.tooltip = '',
   });
 
   void dispose() {
@@ -71,7 +71,7 @@ class _TrayIconExamplePageState extends State<TrayIconExamplePage> {
   @override
   void initState() {
     super.initState();
-    _addTrayIcon();
+    // _addTrayIcon(); // Don't add tray icon on initialization
   }
 
   @override
@@ -114,8 +114,7 @@ class _TrayIconExamplePageState extends State<TrayIconExamplePage> {
         id: _nextIconId++,
         trayIcon: trayIcon,
         contextMenu: contextMenu,
-        title: 'Tray Icon ${_nextIconId - 1}',
-        tooltip: 'Click me! (${_nextIconId - 1})',
+        // title and tooltip are empty by default
       );
 
       // Create animated icon generator
@@ -147,8 +146,8 @@ class _TrayIconExamplePageState extends State<TrayIconExamplePage> {
       });
 
       // Set initial properties
-      trayIcon.title = trayIconData.title;
-      trayIcon.tooltip = trayIconData.tooltip;
+      // trayIcon.title = trayIconData.title; // Set via UI
+      // trayIcon.tooltip = trayIconData.tooltip; // Set via UI
       trayIcon.isVisible = trayIconData.isVisible;
 
       _trayIcons.add(trayIconData);