[IMP] Inventory: Update Scraps documentation

[erjer-odoo]

Updating documentation for scrapping in Odoo for 19.1 release.

• Updating language to match 19.1.
• Adding documentation to scrap from a lot or serial number.
• Adding documentation to revert a scrap operation.
• Updating Moves History report documentation to include new "Scrapped" filter.

[robodoo]