Good evening Jorge and welcome back!
Thank you for reaching out to us.
We are sorry to hear about the issues you have encountered while customizing our template files.
I would love to help you with this topic.
You are right, in most cases, it’s a simple matter of copying the view template files over to the /tribe-events/ folder of your child theme.
In your case however, because you are using the Avada theme, the procedure for template customization is slightly different.
You see, Avada already includes a template customization for that very view. This is why your customization looks so different.
I would recommend heading over to /wp-content/themes/Avada/tribe-events/pro/map/ and copying the single-event.php from there over to your child theme as a basis for your customization.
Normally, this should fix the display.
Let me know how that goes.
Best regards,
Geoff B.