Bugfix: use custom software title icon and display name in setup experience UI

[mna]

Related issue: Resolves #38343

Checklist for submitter

• Changes file added for user-visible changes in changes/, orbit/changes/ or ee/fleetd-chrome/changes.
  See Changes files for more information.

• Input data is properly validated, SELECT * is avoided, SQL injection is prevented (using placeholders for values in statements)

Testing

• Added/updated automated tests
• QA'd all new/changed functionality manually

Repro of the issue (Munki should have a custom icon and be called "Custom Munki"): https://drive.google.com/file/d/1tLWHYNaFC_A0p-2fmsPKgmIlW4cBDJzd/view?usp=drive_link

Screenshot of the setup experience UI with the fix:

Setup experience flow with fix recording: https://drive.google.com/file/d/1LUkijFxOc2mo9MCOBZop7PzpkxovzuBh/view?usp=drive_link

[codecov]

Codecov Report

❌ Patch coverage is 86.04651% with 6 lines in your changes missing coverage. Please review.
✅ Project coverage is 64.32%. Comparing base (d5ba60d) to head (fb854eb).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
server/datastore/mysql/setup_experience.go	80.00%	3 Missing and 2 partials ⚠️
server/service/devices.go	75.00%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #39223      +/-   ##
==========================================
- Coverage   66.18%   64.32%   -1.86%     
==========================================
  Files        2424     2392      -32     
  Lines      194205   187003    -7202     
  Branches     8523     8457      -66     
==========================================
- Hits       128543   120298    -8245     
- Misses      53975    55799    +1824     
+ Partials    11687    10906     -781     

Flag	Coverage Δ
backend	65.86% <84.21%> (-2.09%)	⬇️
frontend	54.32% <100.00%> (+<0.01%)	⬆️

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[jahzielv]

Will these changes require API documentation?

[mna]

Ah good call, I thought no because it is in contributor's API, but looks like we still have an example response payload, so I'll push a PR for that.

[mna]

CI failures are unrelated (Scott is working on a fix).