Allows easily constructing a `DenoResolver` using the exact same logic
that we use in the CLI (useful for dnt and for external bundlers). This
code is then used in the CLI to ensure the logic is always up-to-date.
```rs
use std::rc::Rc;
use deno_resolver:🏭:ResolverFactory;
use deno_resolver:🏭:WorkspaceFactory;
use sys_traits::impls::RealSys;
let sys = RealSys;
let cwd = sys.env_current_dir()?;
let workspace_factory = Rc::new(WorkspaceFactory::new(sys, cwd, Default::default()));
let resolver_factory = ResolverFactory::new(workspace_factory.clone(), Default::default());
let deno_resolver = resolver_factory.deno_resolver().await?;
```
Also removes permissions being passed in for node resolution. It was
completely useless because we only checked it for reading package.json
files, but Deno reading package.json files for resolution is perfectly
fine.
My guess is this is also a perf improvement because Deno is doing less
work.