Bulk edit core material pricing via CSV upload

Update core material pricing in bulk by downloading the CSV, editing only the pricing, margin and taxes fields, and uploading it back.

1. Use bulk actions to edit core material pricing, such as MR grade materials.

   ✓ १५ ऑक्टोबर, २०२६ रोजी प्रॉडक्टमध्ये तपासले

2. Download the CSV for sales channel properties and pricing.

   ✓ १५ ऑक्टोबर, २०२६ रोजी प्रॉडक्टमध्ये तपासले

3. Edit only the pricing, margin, and taxes fields.

   ✓ १५ ऑक्टोबर, २०२६ रोजी प्रॉडक्टमध्ये तपासले