bug exploit fixed

[buntyverma69]

Pull Request Description

Please include a general description of the changes made, why they were necessary, and any other general things to note. some people are doing drop items then set amount in inventory 000000.000001 then duplicate items.

Pull Request Checklist:

• [x] Have you followed the guidelines in our contributing document and Code of Conduct? yes
• [x] Have you checked to ensure there aren't other open for the same update/change? yes
• [x] Have you built and tested the resource in-game after the relevant change? yes

[zh-development]

This one works and fix the problem