[QW][3890391] Change label for subscription product

# Done by RHT on the 29/04/2024
# Reviewed by SEA on the 01/06/2024
# Review: https://pastebin.com/Dbx5xHqC
# Task: https://www.odoo.com/web#id=3890391&cids=1&model=project.task&view_type=form
# Need: Remove the timestamp from the subscription period from the label as they are invoicing the previous month and not the upcoming month
for line in records:
    line["name"] = line.sale_line_ids.name