repair code - reveiew by Gavin

lib/view/measure/operate_type_change_button.dart

@@ -194,6 +194,7 @@ class OperateTypeChangeButtonState extends State<OperateTypeChangeButton>
   /// 进入测量
   void enterMeasure() {
     if (Get.find<IApplication>().checkIs3rdAndEmptyStandardLine()) {
+      is3rdVideoTappedMeasure = true;
       VoidCallback rollbackFn;
       if (operateButtonState == OperateButtonState.isAnnotation) {
         rollbackFn = onTapAnnotation;