[7.x] [ML] DF Analytics: add results field to wizard and show regression stats (#70893)

[alvarezmelissa87]

Backports the following commits to 7.x:

• [ML] DF Analytics: add results field to wizard and show regression stats ([ML] DF Analytics: add results field to wizard and show regression stats #70893)

[elasticmachine]

Pinging @elastic/ml-ui (:ml)

[kibanamachine]

💛 Build succeeded, but was flaky

• continuous-integration/kibana-ci/pull-request
• Commit: f50e4ba
• Flaky suites:
  • xpack-kibana-ciGroup2

---

Test Failures

Kibana Pipeline / kibana-xpack-agent / X-Pack Reporting API Integration Tests.x-pack/test/reporting_api_integration/reporting/csv_saved_search·ts.Reporting APIs Generation from Saved Search ID Merge user state into the query for query

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Standard Out

Failed Tests Reporter:
  - Test has not failed recently on tracked branches

[00:00:00]       │
[00:00:00]         └-: Reporting APIs
[00:00:00]           └-> "before all" hook
[00:01:18]           └-: Generation from Saved Search ID
[00:01:18]             └-> "before all" hook
[00:01:58]             └-: Merge user state into the query
[00:01:58]               └-> "before all" hook
[00:01:58]               └-> for query
[00:01:58]                 └-> "before each" hook: global before each
[00:01:58]                 │ info [reporting/scripted_small] Loading "mappings.json"
[00:01:58]                 │ info [reporting/scripted_small] Loading "data.json.gz"
[00:01:58]                 └- ✖ fail: "Reporting APIs Generation from Saved Search ID Merge user state into the query for query"
[00:01:58]                 │

Stack Trace

{ Error: [invalid_alias_name_exception] Invalid alias name [.kibana], an index exists with the same name as the alias, with { index_uuid="MoPPGD-xTNqnX-jnuPv71A" & index=".kibana" }
    at respond (/dev/shm/workspace/kibana/node_modules/elasticsearch/src/lib/transport.js:349:15)
    at checkRespForFailure (/dev/shm/workspace/kibana/node_modules/elasticsearch/src/lib/transport.js:306:7)
    at HttpConnector.<anonymous> (/dev/shm/workspace/kibana/node_modules/elasticsearch/src/lib/connectors/http.js:173:7)
    at IncomingMessage.wrapper (/dev/shm/workspace/kibana/node_modules/lodash/lodash.js:4929:19)
    at endReadableNT (_stream_readable.js:1145:12)
    at process._tickCallback (internal/process/next_tick.js:63:19)
  status: 400,
  displayName: 'BadRequest',
  message:
   '[invalid_alias_name_exception] Invalid alias name [.kibana], an index exists with the same name as the alias, with { index_uuid="MoPPGD-xTNqnX-jnuPv71A" & index=".kibana" }',
  path: '/.kibana_1',
  query: { include_type_name: false },
  body:
   { error:
      { root_cause: [Array],
        type: 'invalid_alias_name_exception',
        reason:
         'Invalid alias name [.kibana], an index exists with the same name as the alias',
        index_uuid: 'MoPPGD-xTNqnX-jnuPv71A',
        index: '.kibana' },
     status: 400 },
  statusCode: 400,
  response:
   '{"error":{"root_cause":[{"type":"invalid_alias_name_exception","reason":"Invalid alias name [.kibana], an index exists with the same name as the alias","index_uuid":"MoPPGD-xTNqnX-jnuPv71A","index":".kibana"}],"type":"invalid_alias_name_exception","reason":"Invalid alias name [.kibana], an index exists with the same name as the alias","index_uuid":"MoPPGD-xTNqnX-jnuPv71A","index":".kibana"},"status":400}',
  toString: [Function],
  toJSON: [Function] }

---

Build metrics

✅ unchanged

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