(bug): Banners not saving down, ditch carousels

(Summarize the bug encountered concisely)

Banners are not saving down on mobile or web for channels repeatedly.

(How one can reproduce the issue - this is very important)

Upload a new banner, especially larger files

(Browser, device, system stats, screen size)

chrome, firefox, android

(What actually happens)

(What you should see instead)

saves down no issues

(Paste any relevant logs - please use code blocks (```) to format console output, logs, and code as it's very hard to read otherwise.)

(If you can, link to the line of code that might be responsible for the problem)