When converting the list view to owl, the support for view widgets was overlooked as this feature is not used very extensively and was not tested. This commit adds support for them and adds a test for it. closes odoo/odoo#102193 X-original-commit: 9098c1d3cd4af8f324b5b09668e92822575f932d Signed-off-by: Géry Debongnie <ged@odoo.com> Signed-off-by: Samuel Degueldre <sad@odoo.com>