1985 mark pending removal bad requests

[iamleeg]

there were a couple of problems here:

1. curator-service was passing parameters to data-service in the request body, when data-service was looking in the URI query
2. curator-service was expecting 201 responses from data-service when it was sending 204
3. curator-service was responding with 201 when it should have responded with 204

Have manually tested this end-to-end as well as using the unit tests, endpoints work now.

[codecov-commenter]

Codecov Report

Merging #1993 (dbeeffc) into main (f787373) will increase coverage by 25.22%.
The diff coverage is 100.00%.

@@             Coverage Diff             @@
##             main    #1993       +/-   ##
===========================================
+ Coverage   56.18%   81.40%   +25.22%     
===========================================
  Files          76       56       -20     
  Lines        2645     1845      -800     
  Branches      842      337      -505     
===========================================
+ Hits         1486     1502       +16     
+ Misses       1159      343      -816     

Impacted Files	Coverage Δ
...ion/curator-service/api/src/controllers/sources.ts	82.16% <100.00%> (ø)
...i/src/components/new-case-form-fields/NumCases.tsx
...c/components/landing-page/VerificationCodeForm.tsx
.../ui/src/components/new-case-form-fields/Events.tsx
...ation/curator-service/ui/src/hooks/useDebounce.tsx
...ion/curator-service/ui/src/components/ViewCase.tsx
...or-service/ui/src/components/CaseExcludeDialog.tsx
...e/ui/src/components/new-case-form-fields/Notes.tsx
.../components/new-case-form-fields/StyledTooltip.tsx
...n/curator-service/ui/src/components/util/links.tsx
... and 123 more

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