Check if method is declared by interface in VisibilityTransformer #108

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Good spot!

Given interface members are always public, I think we could return Opcodes.ACC_PUBLIC immediately after the val declaredByInterface = ... line (if it is true, of course).

This would simplify the when block below, which is already quite complicated.

I think we could also remove this special case at the top?

            // interface members are always public
            return Opcodes.ACC_PUBLIC
        }```
        
as I think it should be covered by your new logic.

Made the requested changes.

thanks!

cherry-picked