[Backport 2.x] Update console to use core.http instead of jQuery.ajax

[opensearch-trigger-bot]

Backport 5764d6c from #3080.

[codecov-commenter]

Codecov Report

Merging #3117 (32e27f6) into 2.x (ea36d5a) will increase coverage by 0.06%.
The diff coverage is 71.05%.

@@            Coverage Diff             @@
##              2.x    #3117      +/-   ##
==========================================
+ Coverage   66.59%   66.66%   +0.06%     
==========================================
  Files        3219     3220       +1     
  Lines       61531    61585      +54     
  Branches     9431     9445      +14     
==========================================
+ Hits        40978    41056      +78     
+ Misses      18308    18282      -26     
- Partials     2245     2247       +2     

Flag	Coverage Δ
Linux	66.61% <71.05%> (+0.01%)	⬆️
Windows	66.61% <71.05%> (?)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...e/public/application/contexts/services_context.tsx	77.77% <ø> (ø)
...lugins/console/public/lib/opensearch/opensearch.ts	75.00% <0.00%> (+35.00%)	⬆️
...equest_to_opensearch/send_request_to_opensearch.ts	70.49% <72.22%> (ø)
...ensearch/use_send_current_request_to_opensearch.ts	68.00% <100.00%> (ø)
...ic/application/models/sense_editor/sense_editor.ts	64.88% <0.00%> (+0.88%)	⬆️
packages/osd-optimizer/src/node/cache.ts	51.31% <0.00%> (+1.31%)	⬆️
src/plugins/console/public/lib/utils/index.ts	58.13% <0.00%> (+2.32%)	⬆️
src/dev/build/lib/config.ts	85.29% <0.00%> (+5.88%)	⬆️
...ges/osd-apm-config-loader/src/config.test.mocks.ts	100.00% <0.00%> (+8.69%)	⬆️
... and 3 more

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