fix(tray): force item title string to be null-terminated (#340)

.changes/fix-tray-item-title.md

@@ -0,0 +1,5 @@
+---
+"tao": patch
+---
+
+Fixes system tray item titles on Windows by forcing the string to be null-terminated.

src/platform_impl/windows/menu.rs

@@ -194,6 +194,10 @@ impl Menu {
         anno_title.push('\t');
         format_hotkey(accelerators, &mut anno_title);
       }
+      // NOTE(amrbashir): The title must be a null-terminated string. Otherwise, it will display some gibberish characters at the end.
+      if !anno_title.ends_with("\0") {
+        anno_title.push_str("\0");
+      }
 
       AppendMenuW(self.hmenu, flags, menu_id.0 as _, anno_title);