feat: add TreeGrid control

[xperiandri]

🙋 Feature Request

I need a TreeGrid control. Same as DataGrid but hierarchical with ability to collapse child rows

💁 Possible Solution

Implement a modified DataGrid with ability to display hierarchical data

🔦 Context

Pretty usually there is a need to display a list with parent and child entities together where they may have the same or different set of properties.

💻 Examples

[vnbaaij]

Hi,

We are already tracking this in #1711. Closing this as duplicate