【严重BUG】input-table 内 的编辑框输入内容会自动随机消失 并且行数多点的话就会特别卡顿!

#### 描述问题：
如题
输入内容后上面已经输入过的会随机消失
并且特别卡

#### 截图或视频：

Start by reproducing the reported data-loss and lag in the input-table component using many rows, using the attached screenshot as context. Trace the input-table entry point and existing tests, if available; done means previously entered values remain intact and editing remains responsive with larger tables.

Written by the indexing model from the issue text.