fix(portal): Constants injector
fix(portal): Constants injector

Closes gravitee-io/issues#622

gravitee-io/gravitee-management-webui,lauthieb/gravitee-management-webui,lauthieb/gravitee-management-webui,gravitee-io/gravitee-management-webui,gravitee-io/gravitee-management-webui,lauthieb/gravitee-management-webui