Easier logo changes for site admins

[tophee (Christoph)]

For further discussion on this, see:

Downsides of the new logo UI in site settings

Previously, logo logo small mobile logo etc were just shown as their urls (and you had to upload the logo to “Assets for site design” and copy the url over). Now, you can upload an image directly to the logo etc site settings. So the benefit of this new UI is evident. But there are also some serious downsides: To start with, I can’t copy the url of the current image and save it somewhere, e.g. when I want to try out a new logo but switch back to the old one by pasting the old url back to wher…