feat: Make Sipi handling optional during FileValue creation (Dev-2945)

[mpro7]

Pull Request Checklist

Task Description/Number

Issue Number: DEV-

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-2945 dsp-api: During FileValue creation make Sipi handling optional

[codecov]

Codecov Report

Attention: 77 lines in your changes are missing coverage. Please review.

Comparison is base (95ad2f9) 11.62% compared to head (b15cc26) 11.74%.
Report is 1 commits behind head on main.

Files	Patch %	Lines
...s/v2/responder/valuemessages/ValueMessagesV2.scala	12.28%	50 Missing ⚠️
...knora/webapi/store/iiif/impl/SipiServiceLive.scala	0.00%	9 Missing ⚠️
...ra/webapi/responders/v2/ResourcesResponderV2.scala	0.00%	8 Missing ⚠️
...esponder/resourcemessages/ResourceMessagesV2.scala	0.00%	4 Missing ⚠️
...org/knora/webapi/routing/v2/ResourcesRouteV2.scala	0.00%	4 Missing ⚠️
...la/org/knora/webapi/routing/v2/ValuesRouteV2.scala	0.00%	1 Missing ⚠️
...i/slice/admin/domain/service/DspIngestClient.scala	93.75%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2960      +/-   ##
==========================================
+ Coverage   11.62%   11.74%   +0.12%     
==========================================
  Files         246      246              
  Lines       22870    22907      +37     
==========================================
+ Hits         2658     2690      +32     
- Misses      20212    20217       +5     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.