Stub context menu trigger methods for tray icons

Added SetContextMenuTrigger and GetContextMenuTrigger stubs to Android, iOS, and OpenHarmony tray icon implementations. These methods are not applicable or not implemented on these platforms, returning default values or logging warnings as appropriate.

Author: lijy91

src/platform/android/tray_icon_android.cpp

@@ -55,6 +55,14 @@ std::shared_ptr<Menu> TrayIcon::GetContextMenu() {
   return nullptr;
 }
 
+void TrayIcon::SetContextMenuTrigger(ContextMenuTrigger trigger) {
+  ALOGW("TrayIcon::SetContextMenuTrigger not applicable on Android");
+}
+
+ContextMenuTrigger TrayIcon::GetContextMenuTrigger() {
+  return ContextMenuTrigger::None;
+}
+
 Rectangle TrayIcon::GetBounds() {
   return Rectangle{0.0, 0.0, 0.0, 0.0};
 }

src/platform/ios/tray_icon_ios.mm

@@ -50,6 +50,14 @@
   return nullptr;
 }
 
+void TrayIcon::SetContextMenuTrigger(ContextMenuTrigger trigger) {
+  // Not applicable to iOS
+}
+
+ContextMenuTrigger TrayIcon::GetContextMenuTrigger() {
+  return ContextMenuTrigger::None;
+}
+
 Rectangle TrayIcon::GetBounds() {
   return Rectangle{0, 0, 0, 0};
 }

src/platform/ohos/tray_icon_ohos.cpp

@@ -67,6 +67,14 @@ std::shared_ptr<Menu> TrayIcon::GetContextMenu() {
   return nullptr;
 }
 
+void TrayIcon::SetContextMenuTrigger(ContextMenuTrigger trigger) {
+  // Not implemented on OpenHarmony yet
+}
+
+ContextMenuTrigger TrayIcon::GetContextMenuTrigger() {
+  return ContextMenuTrigger::None;
+}
+
 Rectangle TrayIcon::GetBounds() {
   return Rectangle{0.0, 0.0, 0.0, 0.0};
 }