fix: add/find owners from report/alert modal

[graceguo-supercat]

SUMMARY

This PR is to fix an issue similar to #18725. Front-end should call API /related/created_by

TESTING INSTRUCTIONS

1. create new Alert or Report
2. add an owner. in dev environment the users list is very short so it won't show any issue. but in airbnb production, the list is very long, user can't find their own name from the list.

[codecov]

Codecov Report

Merging #18971 (9d89911) into master (eafe0cf) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master   #18971   +/-   ##
=======================================
  Coverage   66.39%   66.39%           
=======================================
  Files        1641     1641           
  Lines       63515    63515           
  Branches     6422     6422           
=======================================
  Hits        42172    42172           
  Misses      19682    19682           
  Partials     1661     1661           

Flag	Coverage Δ
javascript	51.01% <ø> (ø)

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Impacted Files	Coverage Δ
...frontend/src/views/CRUD/alert/AlertReportModal.tsx	52.23% <ø> (ø)

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