Mini cart item link

This should account for the value of `$product_permalink`, not just whether the product is visible.

templates/cart/mini-cart.php

@@ -50,7 +50,7 @@ do_action( 'woocommerce_before_mini_cart' ); ?>
 							esc_attr( $_product->get_sku() )
 						), $cart_item_key );
 						?>
-						<?php if ( ! $_product->is_visible() ) : ?>
+						<?php if ( empty( $product_permalink ) ) : ?>
 							<?php echo str_replace( array( 'http:', 'https:' ), '', $thumbnail ) . $product_name . '&nbsp;'; ?>
 						<?php else : ?>
 							<a href="<?php echo esc_url( $product_permalink ); ?>">