[Bug] 最后一列固定时， dropdown显示位置有问题

[zhiaiing]

Version

1.17.1

Link to Minimal Reproduction

https://visactor.io/vtable/demo-react/component/menu

Steps to Reproduce

代码如下： const records = new Array(1000).fill(['John', 18, 'male', '🏀']);

const root = ReactDom.createRoot(document.getElementById(CONTAINER_ID)); root.render( <ReactVTable.ListTable records={records} height={'500px'} rightFrozenColCount={1} onDropdownMenuClick={args => { console.log('onDropdownMenuClick', args); }}

<ReactVTable.ListColumn field={'0'} title={'name'} />
<ReactVTable.ListColumn field={'1'} title={'age'} />
<ReactVTable.ListColumn field={'2'} title={'gender'} />
<ReactVTable.ListColumn field={'3'} title={'hobby'} />
<ReactVTable.Menu
  renderMode={'html'}
  defaultHeaderMenuItems={['header menu 1', 'header menu 2']}
  contextMenuItems={['context menu 1', 'context menu 2']}
/>

</ReactVTable.ListTable> );

// release openinula instance, do not copy window.customRelease = () => { root.unmount(); };

点击最后一列表头下拉icon, dropdown的位置不对

Current Behavior

表格未撑满内内容区时， 最后一列为固定列时， dropdown显示位置有问题

Expected Behavior

dropdown显示位置正常

Environment

- OS:
- Browser:
- Framework:

Any additional comments?

No response

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