handle local paths without file:///

[drmorr0]

• I certify that this PR does not contain any code that has been generated with GitHub Copilot or any other AI-based code generation tool, in accordance with this project's policies.

Description

Local path resolution in the driver and skctl no longer requires the file:/// prefix

Testing done

• Manual testing
• new tests added

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 72.38%. Comparing base (059b1e0) to head (7c4f13a).
Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #142   +/-   ##
=======================================
  Coverage   72.38%   72.38%           
=======================================
  Files          49       49           
  Lines        2723     2723           
=======================================
  Hits         1971     1971           
  Misses        752      752           

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