Omni Channel Sales for Perfex CRM 1.2.0 Nulled

On POS, staff will sell according to the Warehouse assigned on the Inventory module
Fix an error in a delivery note from Omni sales that has many identical serial numbers
Fix the error of subtracting double quantity when creating PXK in Omni Sales
Upgrade source code to be compatible with PHP 8.1.
Upgraded features to be compatible with the latest version of Perfex CRM.