feat: whiteboard, macos (#12780)

Signed-off-by: fufesou <linlong1266@gmail.com>

src/ipc.rs

@@ -289,7 +289,7 @@ pub enum Data {
     #[cfg(target_os = "windows")]
     PortForwardSessionCount(Option<usize>),
     SocksWs(Option<Box<(Option<config::Socks5Server>, String)>>),
-    #[cfg(target_os = "windows")]
+    #[cfg(any(target_os = "windows", target_os = "macos"))]
     Whiteboard((String, crate::whiteboard::CustomEvent)),
 }