kraken: add GraphQL applicableStandingCharges fallback for TOU tariff 404s#3834

springfall2008 merged 2 commits intomainspringfall2008/batpred:mainfrom

copilot/fix-eon-import-tariff-lookupspringfall2008/batpred:copilot/fix-eon-import-tariff-lookupCopy head branch name to clipboard