fix enableloop value sycn bug

lib/process/workspace/measure_controller.dart

@@ -33,7 +33,7 @@ class MeasureController implements IMeasureController {
   IApplication? _application;
   int _recursive = 0;
 
-  final bool enableLoopPlayback;
+  late bool _enableLoopPlayback;
   final ValueCallback<bool>? onLoopPlaybackEnableChanged;
 
   late final MeasureImagesFetchFunc _imagesFetchFunc;
@@ -43,9 +43,10 @@ class MeasureController implements IMeasureController {
   MeasureController(
     String code, {
     required MeasureImagesFetchFunc imagesFetchFunc,
-    this.enableLoopPlayback = false,
+    bool enableLoopPlayback = false,
     this.onLoopPlaybackEnableChanged,
   }) {
+    _enableLoopPlayback = enableLoopPlayback;
     _examInfo = ExamInfo(code);
     _imagesFetchFunc = imagesFetchFunc;
   }
@@ -119,7 +120,7 @@ class MeasureController implements IMeasureController {
     _windowSetState(index);
     _playerController = Get.put<IPlayerController>(
       VidPlayerController(url)
-        ..enableLoop = enableLoopPlayback
+        ..enableLoop = _enableLoopPlayback
         ..enableLoopChanged.addListener(_onEnableLoopPlaybackChanged),
     );
     playerController.firstFrameLoaded.addListener(_onFirstFrameLoaded);
@@ -129,6 +130,7 @@ class MeasureController implements IMeasureController {
   }
 
   void _onEnableLoopPlaybackChanged(Object _, bool e) {
+    _enableLoopPlayback = e;
     onLoopPlaybackEnableChanged?.call(e);
   }