Description

Move below extensions to Pipelines console-plugin and components required to move these extensions should also to be moved. 

1. 1. dev-console.add/action
   2. console.yaml-template
   3. console.flag/model
   4. console.page/route

Move all models which are related to pipeline to dynamic plugin (console.model-metadata)

Acceptance Criteria

1. Move Pipeline related extension to Pipelines console plugin
2. Move all models related to Pipelines to console plugin
3. Add flags to disable these extension in static plugin

Additional Details: