fix(sidenav): set correct background color for plan and resource sidenav
fix(sidenav): set correct background color for plan and resource sidenav

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