[ADD] l10n_latam_base: contact vat field editable

To let the user to set the vat field different from the partner when the
contact is set as is company.

addons/l10n_latam_base/views/res_partner_view.xml

@@ -13,9 +13,9 @@
             <field name="vat" position="after">
                 <label for="l10n_latam_identification_type_id" string="Identification Number"/>
                 <div>
-                    <field name="l10n_latam_identification_type_id" options="{'no_open': True, 'no_create': True}" placeholder="Type" attrs="{'readonly': [('parent_id','!=',False)]}" class="oe_inline" domain="country_id and ['|', ('country_id', '=', False), ('country_id', '=', country_id)] or []" required="True"/>
+                    <field name="l10n_latam_identification_type_id" options="{'no_open': True, 'no_create': True}" placeholder="Type" attrs="{'readonly': [('is_company','=',False),('parent_id','!=',False)]}" class="oe_inline" domain="country_id and ['|', ('country_id', '=', False), ('country_id', '=', country_id)] or []" required="True"/>
                     <span class="oe_read_only"> - </span>
-                    <field name="vat" placeholder="Number" class="oe_inline" attrs="{'readonly': [('parent_id','!=',False)]}"/>
+                    <field name="vat" placeholder="Number" class="oe_inline" attrs="{'readonly': [('is_company','=',False),('parent_id','!=',False)]}"/>
                 </div>
             </field>
         </field>