Some services no longer allow for the older services (ex.
`Charter_Direct`) to be used and just return a generic 401 response.
Going through their login flow manually, the new provider name appears to
be `Spectrum`. This provider seems to work even place of services that
still allow for `Charter_Direct` to be used.
The end of the byte range is the first byte that is NOT part of the to
be downloaded range. So don't include it into the requested HTTP
download range, as this additional byte leads to a broken TS packet and
subsequently to e.g. visible video corruption.
Fixes#14748.