Fix Vault logging messages

Uses different i18n key for password prompt and password confirmation
prompt.

Current english output is incorrect as the WFLYSEC is prepended to the
again message:

WFLYSEC0052: Enter Keystore passwordWFLYSEC0061:  again:

More generally, language do not necessarily put their "again" equivalent
at the end of the sentence. E.g. in French, that would be "Saisir à
nouveau votre mot de passe" where "a nouveau" (aka again) is in the
middle of the sentence