Fix for solidus so bundle invoice can work.
Fix for solidus so bundle invoice can work.

arsfutura/solidus_print_invoice,sunny2601/solidus_print_invoice,gemento/solidus_print_invoice,sunny2601/solidus_print_invoice,arsfutura/solidus_print_invoice,sunny2601/solidus_print_invoice,gemento/solidus_print_invoice,gemento/solidus_print_invoice,arsfutura/solidus_print_invoice