macos window visible on all workspace

// Prevents additional console window on Windows in release, DO NOT REMOVE!!
#![cfg_attr(not(debug_assertions), windows_subsystem = "windows")]

use tauri::{Manager, Window};

// Learn more about Tauri commands at https://tauri.app/v1/guides/features/command
#[tauri::command]
fn greet(name: &str) -> String {
    format!("Hello, {}! You've been greeted from Rust!", name)
}

fn main() {
    tauri::Builder::default()
        .setup(|app| {
            let main_window = app.get_window("main").unwrap();
            #[cfg(target_os = "macos")]
            {
                use cocoa::appkit::{NSMainMenuWindowLevel, NSWindow, NSWindowCollectionBehavior};
                use cocoa::base::id;
                let ns_win = main_window.ns_window().unwrap() as id;
                unsafe {
                    ns_win.setLevel_(((NSMainMenuWindowLevel + 1) as u64).try_into().unwrap());
                    ns_win.setCollectionBehavior_(NSWindowCollectionBehavior::NSWindowCollectionBehaviorCanJoinAllSpaces);
                    // ns_win.setCollectionBehavior_(NSWindowCollectionBehavior::NSWindowCollectionBehaviorMoveToActiveSpace);
                }
            }
            Ok(())
        })
        .invoke_handler(tauri::generate_handler![greet])
        .run(tauri::generate_context!())
        .expect("error while running tauri application");
}