[ML] Transforms: New platform migration

[walterra]

Meta issue outlining the work required to migrate the transform plugin to the new platform.

Server Side

• Shim server side ([ML] Transforms: Move ML "Data Frame Transforms" to Kibana management section "Transforms". #45880)
• Switch to ES and Saved Objects client provided by Request object ([ML] Transforms: Migrate server plugin to NP. #58714)
• Migrate everything from legacy shim to NP equivalent ([ML] Transforms: Migrate server plugin to NP. #58714)
• Migrate to use any external plugin dependencies ([ML] Transforms: Migrate server plugin to NP. #58714)
• Delete shim ([7.x] [ML] Transforms: Migrate server plugin to NP. (#58714) #59115)

Browser

• Switch from Angular to React router ([ML] Transforms: Move ML "Data Frame Transforms" to Kibana management section "Transforms". #45880)
• Convert all Angular based components to use React (see [ML] Transforms: Move ML "Data Frame Transforms" to Kibana management section "Transforms". #45880)
• Shim client side ([ML] Transforms: Move ML "Data Frame Transforms" to Kibana management section "Transforms". #45880)
• Remove use of Angular injectables (used in directives, controllers, services) [ML] Transforms: NP ui/imports migration #58469
  • config
  • indexPatterns
  • kbnUrl
  • kbnBaseUrl
  • Private
  • reactDirective
  • savedSearches
  • $route
  • $compile
  • $scope
  • $timeout
• Migrate ui util imports to NP equivalents [ML] Transforms: NP ui/imports migration #58469
  • ui/chrome
  • ui/index_patterns
  • ui/management
  • ui/metadata
  • ui/notify
  • ui/saved_objects
  • ui/system_api
  • ui/timefilter
• Use npStart.core.http instead of $http and httpService [ML] Transforms: NP ui/imports migration #58469
• Use management's registerApp to set up main router instead of routing.registerAngularRoute [ML] Transforms: NP ui/imports migration #58469
• Replace use of AppState and GlobalState
• Refactor useAppDependencies and KibanaContext into a single context. [ML] Transforms: Deprecate custom KibanaContext. #59133 [ML] Transforms: Fixed custom KibanaContext deprecation. #59410
• Migrate everything from legacy shim to NP equivalent
• Migrate to use any external plugin dependencies
• Delete shim

Plugin

• Move everything to new plugin folder to actually boot up via new platform
  • server ([ML] Transforms: Migrate server plugin to NP. #58714)
  • client ([ML] Transforms: Migrate client plugin to NP. #59443)

[elasticmachine]

Pinging @elastic/ml-ui (:ml)

[walterra]

🎉