Pull request #3296: REPORT-46779 修复参数面板高度为负导致前端显示异常的问题

Merge in DESIGN/design from ~VITO/c-design:REPORT-46779 to bugfix/10.0

* commit '7617e9263fa5685fe61b193c0fa424d584284c88':
  REPORT-46779REPORT-46779 修复参数面板高度为负导致前端显示异常的问题

designer-base/src/main/java/com/fr/design/gui/icontainer/UIModeControlContainer.java

@@ -166,6 +166,9 @@ public class UIModeControlContainer extends JLayeredPane {
             }
             // 拖动的距离，为正值表示往下拖动，为负值表示往上拖动
             int deltaY = e.getY();
+            if (toolPaneY < 0) {
+                toolPaneY = 0;
+            }
             toolPaneY += deltaY;
             onResize(toolPaneY);
             refreshContainer();