when the domain access is enabled and each site has it's own site logo, the invoice takes the logo from the wrong site.
1. create a site 1 e.g. site1.mysite
2. create a second site 2 e.g. site2.mysite
3. choose different default themes for each of the sites from admin -> site building -> domains -> (theme link for the domain)
4. set different logos for each of the site
5. now place an order in site 2 and view the order
6. click on invoice tab. the logo of site 1 is shown instead of site 2's logo