Fix datazoom

[shufufufu]

• datazoom 组件的事件名由 “change” 修改为了 “dataZoomChange”，恢复组件的事件绑定
• 减少了不必要的异步更新
• 初始化顺序调整，确保 gantt 初始化完成后拿到正确数据
• 加强isUpdatingFromGantt和isUpdatingFromDataZoom的同步更新
• 优化 spanLimit 的设置，防止滚动条抽动
• 优化示例

[中文版模板 / Chinese template]

🤔 This is a ...

• New feature
• Bug fix
• TypeScript definition update
• Bundle size optimization
• Performance optimization
• Enhancement feature
• Refactoring
• Update dependency
• Code style optimization
• Test Case
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• Site / documentation update
• Demo update
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