[FIX] base: prevent country creation from state form

Prevent unexpected country creation when creating a state. Indeed,
there is usually no reason to create a new country.

opw-2239697

closes odoo/odoo#49713

Signed-off-by: Nicolas Martinelli (nim) <nim@odoo.com>

odoo/addons/base/views/res_country_views.xml

@@ -115,7 +115,7 @@
                     <group>
                         <field name="name"/>
                         <field name="code"/>
-                        <field name="country_id" options='{"no_open": True}'/>
+                        <field name="country_id" options='{"no_open": True, "no_create_edit": True}'/>
                     </group>
                 </form>
             </field>