[IMP] stock_picking_batch: editable batch picking

Makes batch picking list view multi-editable. Also, sets `name` and
`state` fields as readonly in the model as they must not be editable in
the list view and they were already readonly in form view.

Task #2078163

addons/stock_picking_batch/models/stock_picking_batch.py

@@ -13,7 +13,7 @@ class StockPickingBatch(models.Model):
 
     name = fields.Char(
         string='Batch Transfer', default='New',
-        copy=False, required=True,
+        copy=False, required=True, readonly=True,
         help='Name of the batch transfer')
     user_id = fields.Many2one(
         'res.users', string='Responsible', tracking=True, check_company=True,
@@ -30,7 +30,7 @@ class StockPickingBatch(models.Model):
         ('in_progress', 'In progress'),
         ('done', 'Done'),
         ('cancel', 'Cancelled')], default='draft',
-        copy=False, tracking=True, required=True)
+        copy=False, tracking=True, required=True, readonly=True)
 
     @api.model
     def create(self, vals):

addons/stock_picking_batch/views/stock_picking_batch_views.xml

@@ -15,7 +15,7 @@
                 </header>
                 <sheet>
                     <div class="oe_title">
-                        <h1><field name="name" class="oe_inline" readonly="1"/></h1>
+                        <h1><field name="name" class="oe_inline"/></h1>
                     </div>
                     <group>
                         <group>
@@ -49,7 +49,7 @@
         <field name="name">stock.picking.batch.tree</field>
         <field name="model">stock.picking.batch</field>
         <field name="arch" type="xml">
-            <tree string="Stock Batch Transfer" decoration-muted="state=='cancel'">
+            <tree string="Stock Batch Transfer" decoration-muted="state=='cancel'" multi_edit="1">
                 <field name="name"/>
                 <field name="user_id"/>
                 <field name="state"/>