This commit adds the loading="lazy" attribute to every img tags compiled
by the kanban compiler and modifies some kanban archs in order to use
img tags instead of divs with background-image style to load images
(this allows again the loading="lazy" attribute to work).
The purpose is to avoid loading images that are outside the user viewport
at all time in order to reduce the load on the network when new images are
loaded.
Steps to test: find all views that are using the o_kanban_image or o_kanban_image_fill_left
class and ensure all the images in these views appear in the network tab of devtools
when they enter the user viewport. Example: res.partners, hr.employee, ...
task-3102207
closesodoo/odoo#117049
Related: odoo/enterprise#39560
Signed-off-by: Géry Debongnie <ged@odoo.com>
Julien Carion (juca)
1f6c655cbc