ond trace start right after the first one</label>
                </div>
                <hr>
            </div>
            <div>
                <div class="close-spacing">Click on another trace or tab to merge the current trace with it</div><hr>
                Choose how to add the second trace to the first one
                <div class="center-leaflet" style="text-align: left; width: max-content; max-width: 100%;">
                    <input type="radio" id="merge-as-points" name="merge-structure" che