[Meta] Migrate X-Pack Functional Tests From Legacy ES Client to Updated ES Client

[cuff-links]

Summary

This issue captures the work being done to migrate all of our tests from using the legacy ES client

Apps

• Ingest Node Pipelines
  • ./x-pack/test/functional/apps/ingest_pipelines/ingest_pipelines.ts
• Management
  • ./x-pack/test/functional/apps/management/create_index_pattern_wizard.js
• Rollup Jobs
  • ./x-pack/test/functional/apps/rollup_job/hybrid_index_pattern.js
  • ./x-pack/test/functional/apps/rollup_job/rollup_jobs.js
  • ./x-pack/test/functional/apps/rollup_job/tsvb.js
• Snapshot and Restore
  • ./x-pack/test/functional/apps/snapshot_restore/home_page.ts
• Uptime
  • ./x-pack/test/functional/apps/uptime/locations.ts
  • ./x-pack/test/functional/apps/uptime/ping_redirects.ts
• Machine Learning
  • ./x-pack/test/functional/services/ml/api.ts
• Transform
  • ./x-pack/test/functional/services/transform/api.ts

[elasticmachine]

Pinging @elastic/es-ui (Team:Elasticsearch UI)

[cjcenizal]

@cuff-links FYI, we don't own Index Patterns, Uptime, Machine Learning, or Transform. The remaining tests are tracked as part of #73973, so I don't think we need this issue.

[cuff-links]

Thanks. Closing.