fix: order authentications by team domain in doctor command outputs

[zimeg]

Changelog

We now order outputs of authentication information from the doctor command according to an alphabetized list of team domains.

Summary

This PR orders authentications by team domain in doctor command outputs.

Preview

$ slack doctor

    ✔ Credentials (your Slack authentication)
        Team domain: slackbox-ez
        Team ID: T02A074M3U3
        User ID: U04051AF9NJ
        Last updated: 2025-08-04 17:31:48 -07:00
        Authorization level: Workspace
        Token status: Valid

        Team domain: tinyspek
        Team ID: E06LPMFSSTU
        User ID: U06MCF88LQY
        Last updated: 2025-08-04 17:31:48 -07:00
        Authorization level: Organization
        Token status: Valid

Reviewers

$ slack login   # Login to a workspace
$ slack login   # Login to an organization
$ slack doctor  # Run a checkup
$ slack doctor  # Find matching outputs

Requirements

• I've read and understood the Contributing Guidelines and have done my best effort to follow them.
• I've read and agree to the Code of Conduct.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 63.02%. Comparing base (6a9e147) to head (779d5ff).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #175      +/-   ##
==========================================
+ Coverage   62.97%   63.02%   +0.04%     
==========================================
  Files         212      212              
  Lines       21585    21608      +23     
==========================================
+ Hits        13594    13619      +25     
+ Misses       6945     6944       -1     
+ Partials     1046     1045       -1     

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[zimeg]

@hello-ashleyintech No rush at all but a kind request for review in noticing these changes needed 🙏 ✨

[hello-ashleyintech]

LGTM :D

[zimeg]

@hello-ashleyintech This is great to find - thank you for the review. 👾

I'm going to merge this now so we can find this for the next release! 🚢 💨