[SIEM] Feature: ML Rules

[rylnd]

This is a meta issue tracking the tasks for ML Rules

7.7:

• Basic ML Rule creation and Signal Generation ([SIEM] Create ML Rules #58053)
• License Check (frontend) ([SIEM] Add license check to ML Rule form #60691)
• Fix/prevent editing of a Rule's type ([SIEM] Fixes Modification of ML Rules #60662)
• Move Timeline Template field to first step of rule creation ([SIEM] Move Timeline Template field to first step of rule creation #60840)
• License Check (backend) ([SIEM] Add license checks for ML Rules on the backend #61023)
• Annotate Rule Details with job status ([SIEM] ML Rules Details #61182)
• Check ML Job status during ML Rule execution ([SIEM] Check ML Job status on ML Rule execution #61715)
• Help text for ML Job dropdown, link to open ML popover ([SIEM] Fixes UX issues around prebuilt ML Rules #62396)

Deferred tasks:

• Implement ML Job Dropdown according to mockups
• Activate datafeed if stopped ML Job is selected
• Optimization: Use search_after for ML Signal creation

[elasticmachine]

Pinging @elastic/siem (Team:SIEM)

[spong]

Closing as the last of the 7.7 requirements have bene fulfilled 🎉.

Upcoming related issues include:

• [ML] Plugin support for scoped clients ([ML] Plugin support for scoped clients #62886)
• [SIEM] Replace ad hoc ML queries with the ML Client ([SIEM] Replace ad hoc ML queries with the ML Client #62223)