[IMP] stock_picking_batch: Add button to batch in picking view

While the batch is currently visible on the tree view, there was no
current link to a picking's batch while in the form view.

Task-2670580

closes odoo/odoo#81533

Related: odoo/upgrade#3205
Related: odoo/enterprise#23484
Signed-off-by: Arnold Moyaux <arm@odoo.com>

addons/stock_picking_batch/__manifest__.py

@@ -16,6 +16,7 @@ This module adds the batch transfer option in warehouse management
         'views/stock_picking_type_views.xml',
         'views/stock_picking_wave_views.xml',
         'views/stock_move_line_views.xml',
+        'views/stock_picking_views.xml',
         'data/stock_picking_batch_data.xml',
         'wizard/stock_picking_to_batch_views.xml',
         'wizard/stock_add_to_wave_views.xml',

addons/stock_picking_batch/views/stock_picking_views.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <record id="stock_picking_form_inherit" model="ir.ui.view">
+        <field name="name">stock.picking.form.inherit</field>
+        <field name="model">stock.picking</field>
+        <field name="inherit_id" ref="stock.view_picking_form"/>
+        <field name="arch" type="xml">
+            <div name="button_box" position="inside">
+                <field name="batch_id" invisible="1"/>
+                <button type="object"
+                        name="action_view_batch"
+                        class="oe_stat_button"
+                        icon="fa-truck"
+                        string="Batch"
+                        attrs="{'invisible': [('batch_id', '=', False)]}"/>
+            </div>
+        </field>
+    </record>
+</odoo>