[BUG] Anomaly detection features count locked at 5

[MCdeamon7]

ISSUE
The documentation say that plugins.anomaly_detection.max_anomaly_features can be increased up to 10, (and is limiting but better than nothing)
I increased it to 10 via DevTools:
PUT /_cluster/settings
{
"persistent" : {
"plugins": {
"anomaly_detection": {
"max_anomaly_features": "10"
}
}
}
}
And GET /_cluster/settings/ tell me that is actually persistent even after shutting down the docker compose and bringing it back up.
But at the moment I try to insert the feature in the anomaly detection job in the dashboard, the maximum is locked at 5.

To Reproduce
Steps to reproduce the behavior:

1. Go to DevTools in dashboard
2. send and past the previous command
3. go to anomaly detection
   5.try to set more than 5 features.

Host/Environment (please complete the following information):

• OS: [Linux Manjaro]
• Deployment: Docker compose
• Version [latest]

Additional context
Sorry for my broken English, I'm Italian but trying to improve.

[msfroh]

@opensearch-project/admin -- Can we please move this to https://github.com/opensearch-project/anomaly-detection ?

[kaituo]

@MCdeamon7, this is indeed a bug. We provided support for backend, but the frontend hardcoded the number 5. Will put it in our backlog.