Mobile - Problem with transparent PNG icon

[sambouwer]

@Eban as there are a few similar or related bug reports and requests, I created this FR:

Improve support for transparent and non-rectangle images, icons, and emoji's

Is your feature request related to a problem? Please describe. There are several bug reports on how Anytype deals with transparent images: Mobile - Problem with transparent PNG icon White background when using transparent profile icon - #4 by Oshyan There are also several feature requests to improve how Anytype deals with transparent and non-rectangular images: Using images as icons with transparent background Remove Background Colour On PNG Icons Emojis Transparent PNG Page Icon Addition …

Would it be OK for you if merge your topic into this one?