Fixed headers and lazy loading for grids.

this features are available in last 031 patch
https://www.youtube.com/watch?v=7rjMBvhED48

Afaik, it’s not deployed yet, but will be somewhere monday as I’m told.

https://www.youtube.com/watch?v=7rjMBvhED48

Fixed thanks, I did it from mobile and obviously I mixed the links.