This reverts commit 1780a1e9.

and add necessary values for calculating price per slice

To be sure that Cells are updated correctly when the pricing method is chosen

otherwise naturalWidth/naturalHeight may be 0

Domains are not meant to display too many documents at the same level.

Domains are not meant to display too many documents at the same level.

Domains are not meant to display too many documents at the same level.

/reviewed-on nexedi/erp5!830