fix: 修复事件监听回调触发的更新ZIndex方法入参错误问题

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: 2 people

packages/core/src/model/edge/BaseEdgeModel.ts

@@ -156,7 +156,7 @@ export class BaseEdgeModel<P extends PropertiesType = PropertiesType>
 
     eventCenter.on('overlap:change', (data) => {
       const { overlapMode: newMode } = data
-      this.updateZIndexByOverlap(newMode, data.zIndex || getZIndex())
+      this.updateZIndexByOverlap(newMode, this.zIndex || getZIndex())
     })
   }