Disable Qty Increment for Admins create orders in Magento 2

Current product increment for each product is set to 24, I want to allow admin to create a order from backend without any increment,any qty should be added, but right now it gives error “The fewest you may purchase is 24”

I have tried to change function get Config qty increment,to disable the qty increment for admin but not worked, sharing code:

di.xml

<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"   xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">

<type name="MagentoCatalogInventoryModelConfiguration">
    <plugin name="custom_get_QtyIncrement" type="VendorModulePluginQtyIncrement" sortOrder="1" disabled="false"/>
</type>

Vendor/Module/Plugin/QtyIncrement.php

<?php

namespace VendorModulePlugin;

use MagentoBackendModelAuthSession as BackendSession;

class QtyIncrement
{

    /**
     * @var BackendSession
     */
    protected $_backendSession;

    public function __construct(
        BackendSession $backendSession
    )
    {
        $this->_backendSession = $backendSession;
    }

    public function afterGetEnableQtyIncrements(MagentoCatalogInventoryModelConfiguration $subject, $result)
    {
        if ($this->_backendSession->isLoggedIn()) {
            $result = 0;
        }

        return $result;
    }
}

any help would be greatly appreciated. Thanks.