message: use `''` for global_tenant when interacting with kibana api
diff: @@ -143,7 +143,7 @@ export const OpendistroSecurityOperations = (
  }
  },
  headers: {
  - securitytenant: tenantName
  + securitytenant: tenantName == 'global_tenant' ? '' : tenantName // global tenant is an empty string when working with the kibana api
  }
  }
  );
  @@ -168,7 +168,7 @@ export const OpendistroSecurityOperations = (
  try {
  const currentSettings = await kibanaClient.get('kibana/settings', {
  headers: {
  - securitytenant: tenantName
  + securitytenant: tenantName == 'global_tenant' ? '' : tenantName // global tenant is an empty string when working with the kibana api
  }
  });
  @@ -184,7 +184,7 @@ export const OpendistroSecurityOperations = (
  }
  },
  headers: {
  - securitytenant: tenantName
  + securitytenant: tenantName == 'global_tenant' ? '' : tenantName // global tenant is an empty string when working with the kibana api
  }
  });
  logger.debug(
  