Automatic typings acquisition tries to uses non-existant version of npm if run from a version of node that does not include npm

[mjbvz]

TypeScript Version: 3.5.0-dev.20190412

Repo

1. On a machine that has a global version of node and npm installed
2. Spawn the TS Server using a version of node that does not include npm
3. Trigger automatic type acquisition

Bug
See ATA fail. This is because ATA will try to use the version of npm that is next to the version of node that it is being run by