Add endpoints for setup experience script CRUD

[gillespi314]

Issue #22378

[codecov]

Codecov Report

Attention: Patch coverage is 76.96970% with 38 lines in your changes missing coverage. Please review.

Please upload report for BASE (feat-setup-experience@ab1b66e). Learn more about missing BASE report.

Files with missing lines	Patch %	Lines
server/service/setup_experience.go	62.50%	16 Missing and 5 partials ⚠️
ee/server/service/setup_experience.go	72.09%	6 Missing and 6 partials ⚠️
server/datastore/mysql/setup_experience.go	91.93%	3 Missing and 2 partials ⚠️

Additional details and impacted files

@@                   Coverage Diff                    @@
##             feat-setup-experience   #22604   +/-   ##
========================================================
  Coverage                         ?   65.12%           
========================================================
  Files                            ?     1515           
  Lines                            ?   118724           
  Branches                         ?     3513           
========================================================
  Hits                             ?    77315           
  Misses                           ?    34218           
  Partials                         ?     7191           

Flag	Coverage Δ
backend	66.36% <76.96%> (?)

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