The commit fixes a small UI glitch in the website.visitors kanban view when
website_livechat is installed.
Since 5a0a1e76b3
The "o_field_many2one_avatar" class works a bit differently and requires
additional wrapping.
To get around that, we specify a custom image tag with the appropriate size and
classes to get a small rounded avatar-style rendering.
Task-2612936
closes odoo/odoo#75148
X-original-commit: aa2951731458896bebfa6146a5899277b2d07e26
Signed-off-by: Thibault Delavallee (tde) <tde@openerp.com>