Since we upgraded to odoo 16 some tables aren't expanding their full width correctly:

this is our code:
<xpath expr="//group[@name='rfq_main_group']" position="after">
<group name="applicants_group">
<group name="applicants_group_left" string="Huvudansökande">
<field name="applicant" string="Ansökande" widget="res_partner_many2one" domain="[('customer_rank','>',0), ('is_company', '!=', True)]"/>
<field name="applicant_occupation"/>
<field name="applicant_employer"/>
<field name="applicant_monthly_income"/>
<field name="applicant_category" widget="many2many_tags" options="{'color_field': 'color', 'no_create_edit': True}" placeholder="Taggar..."/>
</group>
<group name="applicants_group_right" string="Medsökande">
<field name="coapplicant" string="Ansökande" widget="res_partner_many2one" domain="[('customer_rank','>',0), ('is_company', '!=', True)]"/>
<field name="coapplicant_occupation"/>
<field name="coapplicant_employer"/>
<field name="coapplicant_monthly_income"/>
<field name="coapplicant_category" widget="many2many_tags" options="{'color_field': 'color', 'no_create_edit': True}" placeholder="Taggar..."/>
</group>
</group>
<group name="rfq_dashboard_group_security" string="Säkerhet">
<group name="rfq_dashboard_group_sequrity_left" string="Självdeklarerat">
<field name="collateral_id" string="Säkerhet"/>
<field name="collateral_type_of_property"/>
<field name="collateral_property_typecode"/>
<field name="collateral_city" string="Område"/>
<field name="collateral_estimated_market_price"/>
<field name="collateral_mortgage_monthly_amortization"/>
</group>
<group name="rfq_dashboard_group_sequrity_right" string="Inhämtat">
<field name="loan_to_value" widget="percentage"/>
<field name="loan_to_value_loan_configuration" widget="percentage"/>
<field name="object_valuation"/>
<field name="should_use_broker_evaluation" invisible="1"/>
<field name="broker_evaluation" attrs="{'invisible':[('should_use_broker_evaluation','==', False)]}"/>
</group>
</group>
<group name="rfq_dashboard_group_amortization" attrs="{'invisible':[('is_consumer_loan','==', True)]}">
<group name="rfq_dashboard_group_sequrity_left" string="Amortering">
<field name="amortization_document_id" context="{'hide_title': 1}"/>
<field name="amortization_id"/>
<field name="amortization_amortization_requirements"/>
<field name="amortization_gross_debt_ratio" widget="percentage"/>
<field name="amortization_amortization_calculated"/>
<field name="amortization_evaluation"/>
</group>
</group>
<group name="rfq_dashboard_group_additional_terms" string="Villkor">
<field name="additional_terms"/>
</group>
<group name="rfq_dashboard_group_completion" string="Kompletteringar" col="4">
<field name="completion_ids" nolabel="1" domain="[('rfq_id','=', active_id), ('applicant_id', 'in', [applicant, coapplicant])]" context="{'tree_view_ref': 'hemma.view_tree_application_completion_extended', 'default_rfq_id': active_id}"/>
</group>
<group name="rfq_dashboard_group_credit_provider_notes" string="Anteckningar">
<field name="credit_provider_notes" nolabel="1"/>
</group>
<group name="rfq_dashboard_group_energy" string="Anläggningar">
<field name="site_ids" nolabel="1"/>
</group>
<group name="rfq_dashboard_group_approval" string="Handläggare">
<field name="approval_ids" nolabel="1"/>
</group>
</xpath>