[7.x] [ML] Add option for anomaly charts for metric detector should plot min, mean or max as appropriate (#81662)

[qn895]

Backports the following commits to 7.x:

• [ML] Add option for anomaly charts for metric detector should plot min, mean or max as appropriate ([ML] Add option for anomaly charts for metric detector should plot min, mean or max as appropriate #81662)

[kibanamachine]

💚 Build Succeeded

• continuous-integration/kibana-ci/pull-request
• Commit: 3a642e9

Metrics [docs]

Module Count

Fewer modules leads to a faster build time

id	before	after	diff
ml	1238	1242	+4

Async chunks

Total size of all lazy-loaded chunks that will be downloaded as the user navigates the app

id	before	after	diff
ml	6.6MB	6.7MB	+17.3KB

To update your PR or re-run it, just comment with:
@elasticmachine merge upstream