[IMP] mrp: search for product attribute values in MO view

Task: 2799674
Community PR: https://github.com/odoo/odoo/pull/88801

Part-of: odoo/odoo#88801

addons/mrp/models/mrp_production.py

@@ -60,6 +60,7 @@ class MrpProduction(models.Model):
         compute='_compute_product_id', store=True, copy=True,
         readonly=True, required=True, check_company=True,
         states={'draft': [('readonly', False)]})
+    product_variant_attributes = fields.Many2many('product.template.attribute.value', related='product_id.product_template_attribute_value_ids')
     product_tracking = fields.Selection(related='product_id.tracking')
     product_tmpl_id = fields.Many2one('product.template', 'Product Template', related='product_id.product_tmpl_id')
     product_qty = fields.Float(

addons/mrp/views/mrp_production_views.xml

@@ -491,6 +491,7 @@
                 <search string="Search Production">
                     <field name="name" string="Manufacturing Order" filter_domain="['|', ('name', 'ilike', self), ('origin', 'ilike', self)]"/>
                     <field name="product_id"/>
+                    <field name="product_variant_attributes"/>
                     <field name="move_raw_ids" string="Component" filter_domain="[('move_raw_ids.product_id', 'ilike', self)]"/>
                     <field name="name" string="Work Center" filter_domain="[('bom_id.operation_ids.workcenter_id', 'ilike', self)]"/>
                     <field name="origin"/>