Allow to generate missing RSA keys if not E++
Allow to generate missing RSA keys if not E++

The `me` is not set yet, so `loggedin()` will return `NOTLOGGEDIN` for
the corner case that this block of code aims to solve (a login with
session into a confirmed account that has not RSA keys yet).

meganz/sdk,meganz/sdk,meganz/sdk,meganz/sdk,meganz/sdk,meganz/sdk,meganz/sdk