Refactor async runtime usage with AsyncHandler wrapper

src-tauri/src/process/async_handler.rs

@@ -11,4 +11,20 @@ impl AsyncHandler {
     {
         async_runtime::spawn(f())
     }
+
+    pub fn spawn_blocking<F, R>(f: F) -> JoinHandle<R>
+    where
+        F: FnOnce() -> R + Send + 'static,
+        R: Send + 'static,
+    {
+        async_runtime::spawn_blocking(f)
+    }
+
+    pub fn block_on<F, Fut, R>(f: F) -> R
+    where
+        F: FnOnce() -> Fut,
+        Fut: Future<Output = R>,
+    {
+        async_runtime::block_on(f())
+    }
 }