I made sure that this leaked old sketch know as Icebox is the sketch of the new Breeze map when i see new gameplay video. If you examine it carefully, tower and zone A are the similar as in the video. It looks like they sketch the map according to this map and changed a few things.
https://thetimesofesports.com/static/c1e/client/85837/migrated/3ec166809e6b39248c1830f8835417d3.jpg
Gameplay video
https://www.youtube.com/watch?v=3GDysZDH0MQ
Discord