message: Do not show catalog sections when service catalog is not deployed
diff: @@ -298,10 +298,10 @@ export const Navigation = ({ isNavOpen, onNavSelect }) => {
  <NavSection title="Catalog">
  <HrefLink href="/catalog" name="Developer Catalog" activePath="/catalog/" />
  <ResourceNSLink model={ClusterServiceVersionModel} resource={ClusterServiceVersionModel.plural} name="Operators" />
  - <HrefLink href="/provisionedservices" name="Provisioned Services" activePath="/provisionedservices/" />
  + <HrefLink required={FLAGS.SERVICE_CATALOG} href="/provisionedservices" name="Provisioned Services" activePath="/provisionedservices/" />
  <HrefLink required={FLAGS.KUBERNETES_MARKETPLACE} href="/marketplace" name="Marketplace" activePath="/marketplace/" />
  <HrefLink href="/operatormanagement" name="Operator Management" activePath="/operatormanagement/" />
  - <HrefLink href="/brokermanagement" name="Broker Management" activePath="/brokermanagement/" />
  + <HrefLink required={FLAGS.SERVICE_CATALOG} href="/brokermanagement" name="Broker Management" activePath="/brokermanagement/" />
  </NavSection>
  <NavSection title="Workloads">
  