try fix https://github.com/rustdesk/rustdesk/issues/2923

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

flutter/lib/models/input_model.dart

@@ -408,6 +408,13 @@ class InputModel {
     }
   }
 
+  void refreshMousePos() => handleMouse({
+        'x': lastMousePos.dx,
+        'y': lastMousePos.dy,
+        'buttons': 0,
+        'type': _kMouseEventMove,
+      });
+
   void handleMouse(Map<String, dynamic> evt) {
     double x = evt['x'];
     double y = max(0.0, evt['y']);

flutter/lib/models/model.dart

@@ -244,6 +244,7 @@ class FfiModel with ChangeNotifier {
       parent.target?.canvasModel.updateViewStyle();
     }
     parent.target?.recordingModel.onSwitchDisplay();
+    parent.target?.inputModel.refreshMousePos();
     notifyListeners();
   }