What determines the order in witch the extension icons appear right from the omnibox field?

Can I change somehow the order?

I haven't seen anything in the documentation pages on that LucVN, so perhaps it's just in order of loading? I guess you'd have to try loading extensions one by one to see. (I don't have any with icons there at present, apart from my Grabbit YouTube one).

Thanks for responding, these should really be movable by drag & drop...
but they aren't