when user in the group by list view it is not allow to change
the sequence of items by drag & drop with the handle widget,
so it does not make sense to display handle widget.
After this commit handle widget will hide in grouped list view.
Task-1964661
closesodoo/odoo#32855
Signed-off-by: VincentSchippefilt <VincentSchippefilt@users.noreply.github.com>
Co-authored-by: Mohammed Shekha <msh@openerp.com>