Reject partial dir paths when resolving skylinks

MERGE REQUEST

MR Guidelines

Overview

This MR addresses part 2 of #4349 (closed). Part 1 seems to be somewhat more involved and will be addressed separately.

Example for Visual Changes

https://asciinema.org/a/RRNo4zZmH0g9ijjCfbIXW9nwD

https://asciinema.org/a/zQjr3UAzjCxS10FrGXinigwFK

Checklist

Review and complete the checklist to ensure that the MR is complete before assigned to an approver.

• All new methods or updated methods have clear docstrings
• Testing added or updated for new methods
• Any new packages are added to Makefile and .gitlab-ci.yml
• API documentation updated for API updates
• Module README.md updated for changes to workflow
• Issue added to Sia-UI repo for new supporting features
• Changelog File Created

Issues Closed