Hide button when not opened by pos

pos_backend_partner/static/src/css/pos_backend_partner.css

@@ -0,0 +1,7 @@
+td[data-field="select_in_pos_current_order"] {
+  display:none;
+}
+
+.pos_backend_communication td[data-field="select_in_pos_current_order"] {
+  display:block;
+}

pos_backend_partner/views/assets.xml

@@ -9,6 +9,9 @@
     <template id="assets_backend" name="back partner " inherit_id="web.assets_backend">
         <xpath expr="." position="inside">  <!-- both back and POS -->
             <script type="text/javascript" src="/pos_backend_partner/static/src/js/back_partner.js"></script>
+
+            <link rel="stylesheet" href="/pos_backend_partner/static/src/css/pos_backend_partner.css"/>
+
         </xpath>
     </template>
 

pos_backend_partner/views/backend_partner.xml

@@ -13,18 +13,6 @@
         </field>
     </record>
 
-    <record id="view_partner_form" model="ir.ui.view">
-        <field name="model">res.partner</field>
-        <field name="inherit_id" ref="base.view_partner_form"/>
-        <field name="arch" type="xml">
-            <field name="display_name" position="after">
-                    <button string="Choose"
-                        type="object" name="select_in_pos_current_order"
-                        help="Select as customer in point of sale"/>
-            </field>
-        </field>
-    </record>
-
     <record id="action_select_partner_pos" model="ir.actions.act_window">
         <field name="name">Client</field>
         <field name="type">ir.actions.act_window</field>