Detach command execution from power-menu app

src/powermenu.rs

@@ -30,6 +30,16 @@ fn spawn_command(cmd: &str) {
     let _ = Command::new("sh").arg("-c").arg(cmd).spawn();
 }
 
+fn spawn_detached(cmd: &str) {
+    let _ = Command::new("sh")
+        .arg("-c")
+        .arg(cmd)
+        .stdin(std::process::Stdio::null())
+        .stdout(std::process::Stdio::null())
+        .stderr(std::process::Stdio::null())
+        .spawn();
+}
+
 fn build_options_model(
     opts: &[crate::config::MenuOption],
 ) -> (ModelRc<MenuOption>, HashMap<String, String>) {
@@ -86,7 +96,10 @@ pub fn run_power_menu(cfg: ResolvedConfig) -> Result<(), Box<dyn std::error::Err
 
         move |id: SharedString| {
             if let Some(cmd) = command_map.get(id.as_str()) {
-                spawn_command(cmd);
+                spawn_detached(cmd);
+
+                // Exit immediately
+                slint::quit_event_loop();
             }
         }
     });