Fix namespace as subdomain get url

[moritzraho]

Description

Fix for #133

Related Issue

Motivation and Context

How Has This Been Tested?

Screenshots (if appropriate):

Types of changes

• [ ] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• [ ] I have signed the Adobe Open Source CLA.
• [ ] My code follows the code style of this project.
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.
• [ ] I have read the CONTRIBUTING document.
• [ ] I have added tests to cover my changes.
• [ ] All new and existing tests passed.

[codecov[bot]]

Codecov Report

Merging #241 (6b9ff6b) into master (d261420) will not change coverage. The diff coverage is 100.00%.

@@            Coverage Diff            @@
##            master      #241   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           58        58           
  Lines         1565      1568    +3     
  Branches       308       311    +3     
=========================================
+ Hits          1565      1568    +3     

Impacted Files	Coverage Δ
src/commands/runtime/action/get.js	100.00% <100.00%> (ø)

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