only activate multi-edit on list with specific attribute.
When the attribute multi_edit="1" is set on the tree view the user
can select a/some records and it will activate the multi-edit
with confirmation dialog (even for a single record).
Also, on-change are not applied when using multi-edit
closesodoo/odoo#37525
Signed-off-by: VincentSchippefilt <VincentSchippefilt@users.noreply.github.com>