REPORT-100623 获取rootContainer时加上竖直方向的偏移

designer-form/src/main/java/com/fr/design/mainframe/FormDesigner.java

@@ -1208,7 +1208,7 @@ public class FormDesigner extends TargetComponent<Form> implements TreeSelection
     }
 
     public XLayoutContainer getRootContainer(int y) {
-        XLayoutContainer container = y < paraHeight - formArea.getVerticalValue() ? paraComponent : rootComponent;
+        XLayoutContainer container = y < paraHeight - formArea.getVerticalValue() / scale ? paraComponent : rootComponent;
         if (container == null) {
             container = rootComponent;
         }