[Bug]: Resolving import map fails when root folder has a space in it

### Problem description

Import map specifiers break when a project is located in directory that has a space in it. This leads to deployments failing.

### Steps to reproduce

1. Deploy this project https://github.com/marvinhagemeister/deno-deploy-space-root
2. Deployment will fail

### Expected behavior

Deployment works

### Environment

_No response_

### Possible solution

_No response_

### Additional context

_No response_