Fixed issue with ecommerce JWT issuers
Fixed issue with ecommerce JWT issuers

We should be continue using the role-specific variable here to allow
for JWTs signed by ecomworker.

LEARNER-2235

proversity-org/configuration,arbrandes/edx-configuration,michaelsteiner19/open-edx-configuration,EDUlib/configuration,edx/configuration,mitodl/configuration,Stanford-Online/configuration,proversity-org/configuration,edx/configuration,gsehub/configuration,hks-epod/configuration,EDUlib/configuration,hks-epod/configuration,hks-epod/configuration,gsehub/configuration,EDUlib/configuration,hastexo/edx-configuration,mitodl/configuration,appsembler/configuration,rue89-tech/configuration,michaelsteiner19/open-edx-configuration,edx/configuration,arbrandes/edx-configuration,hastexo/edx-configuration,Stanford-Online/configuration,Stanford-Online/configuration,mitodl/configuration,stvstnfrd/configuration,hks-epod/configuration,rue89-tech/configuration,appsembler/configuration,michaelsteiner19/open-edx-configuration,rue89-tech/configuration,gsehub/configuration,stvstnfrd/configuration,EDUlib/configuration,arbrandes/edx-configuration,gsehub/configuration,appsembler/configuration,rue89-tech/configuration,edx/configuration,gsehub/configuration,stvstnfrd/configuration,EDUlib/configuration,rue89-tech/configuration,stvstnfrd/configuration,hks-epod/configuration,Stanford-Online/configuration,hastexo/edx-configuration,michaelsteiner19/open-edx-configuration,arbrandes/edx-configuration,hastexo/edx-configuration,arbrandes/edx-configuration,appsembler/configuration,Stanford-Online/configuration,proversity-org/configuration,stvstnfrd/configuration,proversity-org/configuration,proversity-org/configuration,mitodl/configuration,hastexo/edx-configuration