security/bitwarden-cli: fix checksum phase

Use PKGNAMEPREFIX, PORTNAME, PKGNAMESUFFIX, and DISTVERSION for the
name of the prefetched node modules archive instead of
PKGNAME. PKGNAME contains PKGVERSION, which contains
PORTREVISION. Using PORTREVISION in the archive filename is
inconvenient when PORTREVISION is bumped.

While here, disable audit and funding information when prefetching
node modules with npm.