[jk] Allow file to be opened in Pipeline Editor without Command Center enabled

[johnson-mage]

Description

• In the Pipeline Editor, users weren't able to open a file by clicking on it in the File Browser, which should open it in an Arcane Library popup window. This PR fixes this.

How Has This Been Tested?

Before (file wont open until you enable Command Center):

After (file does open even before enabling Command Center):

Checklist

• The PR is tagged with proper labels (bug, enhancement, feature, documentation)
• I have performed a self-review of my own code
• I have added unit tests that prove my fix is effective or that my feature works
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• If new documentation has been added, relative paths have been added to the appropriate section of docs/mint.json