/**
  * Prepare filter for product grid.
  *
  * @return array
  */
 protected function prepareFilter()
 {
     $productStatus = $this->product->getStatus() === null || $this->product->getStatus() === 'Product online' ? 'Enabled' : 'Disabled';
     $filter = ['type' => $this->getProductType(), 'sku' => $this->product->getSku(), 'status' => $productStatus];
     if ($this->product->hasData('attribute_set_id')) {
         $filter['set_name'] = $this->product->getAttributeSetId();
     }
     return $filter;
 }