open link to the old wallet in the same window in no backup modal

src/components/modals/confirm/NoBackup/index.js

@@ -70,7 +70,7 @@ const Confirmation = (props: Props) => (
         <Icon size={48} color={colors.WARNING_PRIMARY} icon={icons.WARNING} />
         <StyledP isSmaller>If your device is ever lost or damaged, your funds will be lost. Backup your device first, to protect your coins against such events.</StyledP>
         <Row>
-            <Link href={`${getOldWalletUrl(props.device)}/?backup`}>
+            <Link href={`${getOldWalletUrl(props.device)}/?backup`} target="_self">
                 <BackupButton onClick={() => props.onReceiveConfirmation(false)}>Create a backup in 3 minutes</BackupButton>
             </Link>
             <ProceedButton isWhite onClick={() => props.onReceiveConfirmation(true)}>Show address, I will take the risk</ProceedButton>