feat, win virtual display

Signed-off-by: fufesou <shuanglongchen@yeah.net>

src/flutter_ffi.rs

@@ -1401,6 +1401,12 @@ pub fn session_on_waiting_for_image_dialog_show(session_id: SessionID) {
     super::flutter::session_on_waiting_for_image_dialog_show(session_id);
 }
 
+pub fn session_toggle_virtual_display(session_id: SessionID, index: i32, on: bool) {
+    if let Some(session) = sessions::get_session_by_session_id(&session_id) {
+        session.toggle_virtual_display(index, on);
+    }
+}
+
 pub fn main_set_home_dir(_home: String) {
     #[cfg(any(target_os = "android", target_os = "ios"))]
     {