According to https://github.com/dotnet/cli/issues/6683
- Remove Motto
- Change size to fit the first screen
- Update Introduction step content
- Include installation location and list of all components installed
- Update Summary step content
In the MSI we used to check for any previous installation and we prevent any
installation of 'Release' version on top of 'Nightly' version and vice
versa. This is no longer needed since CLI SxS now. This is reminiscent of
pre-sharedFx CLI.
Fixes - #2467