cmd/hakurei: short identifier from lower half

The upper half is now a nanosecond timestamp. Lower half is still random bytes, so use lower half for short identifier.

Signed-off-by: Ophestra <cat@gensokyo.uk>

cmd/hakurei/command.go

@@ -301,7 +301,7 @@ func buildCommand(ctx context.Context, msg message.Msg, early *earlyHardeningErr
 
 			case 1: // instance
 				name := args[0]
-				config, entry := tryShort(msg, name)
+				config, entry := tryIdentifier(msg, name)
 				if config == nil {
 					config = tryPath(msg, name)
 				}