Fix the inability to remove decimal quantity from the cart

[lanresmith]

trafficstars

Context

⛑️ Ticket(s): https://secure.helpscout.net/link/to/conversation

📓 Notion: https://notion.so/link/to/card

💬 Slack: https://slack.com/link/to/thread-or-message

Summary

The current snippet can only remove integer quantities from the cart. It is however possible to have decimal quantity especially with the use of the gravity-forms/gw-quantity-as-decimal.php snippet.