Product archives show variable product variations forms in loop

// Trigger Start Of Product In Loop
add_action( 'template_redirect', function() {

	// Remove Default Button
	remove_action( 'woocommerce_after_shop_loop_item',
		'woocommerce_template_loop_add_to_cart', 10 );

	// Replace Button With Variation Form
	add_action( 'woocommerce_after_shop_loop_item', function() {

		// Variable Products
		global $product;
		if( $product->is_type( 'variable' ) ) {
			do_action( 'woocommerce_variable_add_to_cart' );
			return;
		}

		// Non Variable Default
		woocommerce_template_loop_add_to_cart();

	} );

} );