lightning-hsmtool: Fix getsecret does not show mnemonic after typing passphrase#8951

ekzyis wants to merge 2 commits intoElementsProject:masterElementsProject/lightning:masterfrom

ekzyis:fix-8944-lightning-hsm-getsecretekzyis/core-lightning:fix-8944-lightning-hsm-getsecretCopy head branch name to clipboard