[update] show action_reverse button on contribution invoice

views/account_move.xml

@@ -27,12 +27,6 @@
                 >
                     <attribute name="invisible">True</attribute>
                 </xpath>
-                <xpath
-                    expr="//header/button[@name='action_reverse']"
-                    position="attributes"
-                >
-                    <attribute name="invisible">True</attribute>
-                </xpath>
                 <xpath expr="//header" position="inside">
                     <button
                         name="reset_bordereau"