Before this commit:
An empty list helper position not centered when search panel sidebar is
there and some issue created while having a droplet on it as the
position will shifting after a few seconds (sign_tour)
After this commit:
Set an empty list helper at a relative position and now it will always be
displayed at the center whenever have a search panel sidebar
LINKS
Task-2323988
closesodoo/odoo#56792
X-original-commit: d50c7f5c88eaef56c757849a64d63f92bd73f2f2
Signed-off-by: Yannick Tivisse (yti) <yti@odoo.com>