fix: Allow all mime types in API that are returned by Ingest (DEV-3163)

[BalduinLandolt]

Pull Request Checklist

Task Description/Number

Issue Number: DEV-3163

PR Type

• build/chore: maintenance tasks (no production code change)
• docs: documentation changes (no production code change)
• feat: represents new features
• fix: represents bug fixes
• perf: performance improvements
• refactor: represents production code refactoring
• test: adding or refactoring tests (no production code change)

Basic requirements for bug fixes and features

• Tests for the changes have been added
• Docs have been added / updated

Does this PR introduce a breaking change?

• Yes

Does this PR change client-test-data?

• Yes

[linear]

DEV-3163 DSP-API rejects valid requests from ingest-xmlupload

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (eac5751) 11.74% compared to head (67a7e11) 88.55%.
Report is 21 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff             @@
##             main    #2994       +/-   ##
===========================================
+ Coverage   11.74%   88.55%   +76.81%     
===========================================
  Files         246      255        +9     
  Lines       22907    23087      +180     
===========================================
+ Hits         2690    20445    +17755     
+ Misses      20217     2642    -17575     

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[jnussbaum]

LGTM

[mpro7]

I like the lists alphabetically sorted, but it's just me :P