Enable Elementor for static blocks, create a block with the desired content, add it to the header. Or – https://gyazo.com/61c220a08c1412e1c2d7a2b694ff8489
Here is an example of HTML block content (Text tab): <div class="flex header-track-order"><a class="currentColor flex-inline align-items-center" style="font-weight: bold; font-size: 16px;" href="https://xstore.8theme.com/elementor/demos/niche-market02/track-order/"><i class="et-icon et-time et_b-icon" style="font-size: 1.7em;"></i>Track Order</a></div>
