Fixed swapping in same inventory checking total weight.

[adhershmnair]

Description

Fixed swapping in same inventory checking total weight and showing unwanted warning.
If total weight of player inventory is near to max, then swapping in same inventory was checking Total weight + Swapped Item weight which is already there in Total weight,

Checklist

• I have personally loaded this code into an updated qbcore project and checked all of its functionality.
• My code fits the style guidelines.
• My PR fits the contribution guidelines.