fix(spawn): resolve relative paths to prevent ENOENT errors
fix(spawn): resolve relative paths to prevent ENOENT errors

Some node installations have trouble with relative paths passed to child_process.spawn() - so in those cases we resolve the full path instead.

ref #5649

NativeScript/nativescript-cli,NativeScript/nativescript-cli,NativeScript/nativescript-cli,NativeScript/nativescript-cli