ORION-3224: use v2beta in path to ks apis and add support for references in fsoc ks get

[bemidji3]

Description

This PR contains changes to:

(1) use v2beta in the path to the knowledge store for requests made to the knowledge store (didn't touch any of the optimize command paths, however)
(2) add support for prefetchRefs and prefetchRefsInline query parameters when making get by ID requests (references is only support for get by id at this point)

Type of Change

• Bug Fix
• New Feature
• Breaking Change
• Refactor
• Documentation
• Other (please describe)

Checklist

• I have read the contributing guidelines
• Existing issues have been referenced (where applicable)
• I have verified this change is not present in other open pull requests
• Functionality is documented
• All code style checks pass
• New code contribution is covered by automated tests
• All new and existing tests pass

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 20 lines in your changes are missing coverage. Please review.

Project coverage is 15.47%. Comparing base (00d0c6f) to head (3b676f0).
Report is 51 commits behind head on main.

Files	Patch %	Lines
cmd/knowledge/get.go	0.00%	19 Missing ⚠️
cmd/knowledge/knowledge.go	0.00%	1 Missing ⚠️

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Additional details and impacted files

@@             Coverage Diff             @@
##             main     #359       +/-   ##
===========================================
- Coverage   26.88%   15.47%   -11.42%     
===========================================
  Files          44      142       +98     
  Lines        4564    11388     +6824     
===========================================
+ Hits         1227     1762      +535     
- Misses       3242     9498     +6256     
- Partials       95      128       +33     

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