[fix] avoid to validate invoice cotiz invoice

views/account_invoice.xml

@@ -11,7 +11,8 @@
             <field name="arch" type="xml">
 
                 <xpath expr="//header/button[@name='action_invoice_open']" position="attributes">
-                    <attribute name="invisible">True</attribute>
+                    <attribute name="states"/>
+                    <attribute name="attrs">{'invisible':['|', ('type','=','out_invoice'), ('state','!=','draft')]}</attribute>
                 </xpath>
                 <xpath expr="//header/button[@name='preview_invoice']" position="attributes">
                     <attribute name="invisible">True</attribute>