feat: allow running without wallet props if running in-memory ledger#827

ghost wants to merge 2 commits intomaininput-output-hk/atala-prism:mainfrom

feature/atl-5753-no-secret-required-for-in-memory-ledger-in-k8sinput-output-hk/atala-prism:feature/atl-5753-no-secret-required-for-in-memory-ledger-in-k8sCopy head branch name to clipboard