Add inventory fields to product-simple.php template for WC Vendors Pro

functions.php

add_action( 'wcv_after_product_simple_after', 'wcv_add_inventory_fields' ); 
function wcv_add_inventory_fields( $object_id ){ 
?> 
<!-- Inventory -->
<div class="wcv-product-inventory inventory_product_data tabs-content" id="inventory">

<?php WCVendors_Pro_Product_Form::manage_stock( $object_id ); ?>

<?php do_action( 'wcv_product_options_stock', $object_id ); ?>

<div class="stock_fields show_if_simple show_if_variable">
	<?php WCVendors_Pro_Product_Form::stock_qty( $object_id ); ?>
	<?php WCVendors_Pro_Product_Form::backorders( $object_id ); ?>
	<?php WCVendors_Pro_Product_Form::low_stock_threshold( $object_id ); ?>
</div>

<?php WCVendors_Pro_Product_Form::stock_status( $object_id ); ?>
<div class="options_group show_if_simple show_if_variable">
	<?php WCVendors_Pro_Product_Form::sold_individually( $object_id ); ?>
</div>

<?php do_action( 'wcv_product_options_sold_individually', $object_id ); ?>

<?php do_action( 'wcv_product_options_inventory_product_data', $object_id ); ?>

</div>
<?php 
}