[OSDEV-1346] Refactor search_after and sort_by parameters for GET v1/moderation-events and GET v1/production-locations endpoints

[VadimKovalenkoSNF]

Fixed OSDEV-1449

OpenSearch:

1. Refactored sort_by parameter.
2. search_after has been split to search_after_value and search_after_id.
3. Add comments for default sorting and ordering (OSDEV-1378)

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React App | Jest test suite - Code coverage report

Total: 27.8%

Your code coverage diff: 0.00% ▴

✅ All code changes are covered

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Dedupe Hub App | Unittest test suite - Code coverage report

Total: 56.14%

Your code coverage diff: 0.00% ▴

✅ All code changes are covered

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Countries App | Unittest test suite - Code coverage report

Total: 100%

Your code coverage diff: 0.00% ▴

✅ All code changes are covered

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Contricleaner App | Unittest test suite - Code coverage report

Total: 98.91%

Your code coverage diff: 0.00% ▴

✅ All code changes are covered