Default options of Booking when creating new product

functions.php

<?php

// Enabling the required option for new product. 
function bkap_enable_option_for_new_product( $booking_checked, $duplicate_of, $booking_settings ) {

	if ( '' === $booking_settings ) { // enable booking option for new product.
		$booking_checked = 'checked';
	}

	return $booking_checked;
}
add_filter( 'bkap_enable_booking', 'bkap_enable_option_for_new_product', 10, 3 );
add_filter( 'bkap_inline_calendar_option', 'bkap_enable_option_for_new_product', 10, 3 );

// Setting default Booking type to Duration Based Time
function bkap_default_booking_type_for_new_product( $booking_type, $duplicate_of, $booking_settings ){
	if ( '' === $booking_settings ) { // enable booking option for new product.
		$booking_type = 'duration_time';
	}

	return $booking_type;

}
add_filter( 'bkap_booking_type', 'bkap_default_booking_type_for_new_product', 10, 3 );

// Setting Minimum Duration to 4.
function bkap_minimum_duration( $min, $product_id, $booking_settings ) {
	if ( '' === $booking_settings ) { // enable booking option for new product.
		$min = 4;
	}
	return $min;
}
add_filter( 'bkap_minimum_duration', 'bkap_minimum_duration', 10, 3 );

// inline script via wp_print_scripts.
function bkap_print_scripts() {
	if ( 'product' == get_post_type() ) {
		?>
		<script>
			jQuery( document ).ready( function () {
				if( jQuery('#bkap-booking-type' ).length > 0 ) {
					jQuery('#bkap-booking-type' ).trigger( 'change' );
				}
			});
		</script>
		<?php
	}
}
add_action( 'wp_print_scripts', 'bkap_print_scripts' );