downgrade win manager, new one introduce api-ms-win-shcore-scaling-l1-1-1.dll, and seems slow

flutter/pubspec.lock

@@ -1495,7 +1495,7 @@ packages:
     description:
       path: "."
       ref: HEAD
-      resolved-ref: "0728bd25ba1d625181573c26d3868efe21122190"
+      resolved-ref: "2c4b242e668acf4e652b09b13f650bcfbbaa3871"
       url: "https://github.com/rustdesk-org/window_manager"
     source: git
     version: "0.3.4"

src/ui_session_interface.rs

@@ -7,7 +7,7 @@ use std::{
         atomic::{AtomicUsize, Ordering},
         Arc, Mutex, RwLock,
     },
-    time::{Duration, SystemTime},
+    time::SystemTime,
 };
 
 use async_trait::async_trait;