Preview Message button's accessibility issue

[yaditya]

Typebots’ Close button has been picked up as a critical accessibility issue according to aXe DevTools extension with the exact issue being Buttons must have discernible text (see the screen capture below). Upon further digging, the issue lies on this particular section where the <button class="preview-message-close-button"> element should ideally have aria-label for screen readers to be able to understand what that button does.