🐛 [Bug]: 表格组件(tiny-grid)单元格插槽，暴露给插槽变量透传问题

[langyjn]

Environment

chrome

Version

latest

Version

latest

Link to minimal reproduction

none

Step to reproduce

1. 配置一个表格，选择一列配置插槽，暴露变量row，在插槽内拖入一个按钮
   

2. 可见按钮组件入参能够绑定暴露变量row
   

3. 但是点击按钮内的text组件，绑定变量不能选择到暴露变量row，可见暴露变量只出现在插槽的第一层组件，内部的组件选择不到暴露属性
   

4. 但如果在text组件绑定变量时直接手输row.employee，是可以生效的，所以内部的组件也应该在变量菜单上加上
   

What is expected

No response

What is actually happening

No response

What is your project name

tiny-engine develop

Any additional comments (optional)

No response

[Issues-translate-bot]

Bot detected the issue body's language is not English, translate it automatically.

---

Title: 🐛 [Bug]: Table component (tiny-grid) cell slot is exposed to slot variable transparent transmission problem