### Description of Issue/Question Bootstrap script on Windows does not allow to use '/custom-config=' [parameter in installer](https://docs.saltstack.com/en/latest/topics/installation/windows.html#silent-installer-options), ### Setup (Please provide relevant configs (Be sure to remove sensitive info).) ### Steps to Reproduce Issue (Include debug logs if possible, `bootstrap-salt.sh -D`.) `bootstrap-salt.ps1` ### Versions and Systems (`salt --versions-report`, `bootstrap-salt.sh -v`, system type and version, cloud/VM provider as appropriate.) ``` PS C:\Users\60063137> $PSVersionTable Name Value ---- ----- PSVersion 5.1.16299.1146 PSEdition Desktop PSCompatibleVersions {1.0, 2.0, 3.0, 4.0...} BuildVersion 10.0.16299.1146 CLRVersion 4.0.30319.42000 WSManStackVersion 3.0 PSRemotingProtocolVersion 2.3 SerializationVersion 1.1.0.1 ```