update(velocity): 测量速度单位计算#0015762

lib/process/calcuators/velocity.dart

@@ -15,6 +15,6 @@ class VelocityCal extends Calculator<Location, double> {
     final physicalPoint = viewport.convert(point);
     final coordinateOffset = viewport.region;
     final value = -physicalPoint.y + coordinateOffset.top;
-    updateFloatValue(value);
+    updateFloatValue(value, useUnitY: true);
   }
 }

lib/view/measure/measure_config/measure_configuation_page.dart

@@ -287,7 +287,7 @@ class MeasureConfigurationPageState extends State<MeasureConfigurationPage> {
             _saveAndExit();
           },
           onCancel: () {
-            _resetAndExit();
+            onDismiss();
           },
           onClose: () {
             onDismiss();