React Antd Tree : Can't convert my class component to functionnal component

Question

I have a provided class component and I'm triyng to convert it into a functionnal component but I get some issues..

This is the class component code

And this is my functionnal component code :

This is the output of my class componenent :

And when I'm trying in my functionnal component it look like that :

When I click to validate : I just print another Tree with checked data, but in my functionnal component I get -- instead of text :(

I've just create a function to hide the checkbox in subchilds, otherwise it's the same things. Have you an idea what is the problem please ?