Moves applying default layout logic into layout.ts

* use uuid for generated containers
* use dynamic titles based on container views
* add icons to built-in views

- panels position and visibility
- views layout

* wip

* more feedback

* some cleanup

* move things out of paneview.ts

* dragging within a view pane container

* moving composites within and views across

* drag full composites to panel

* move composites between both

* moving views to composites

* dragging single view composite into view pane

* fix orienation for overlay

* quick cleanup before check in

* drag and drop views

* restructure for code re-use

fyi @sandy081 @isidorn

- Use this menu id to get context menu action for a view

- Remove cyclic dependency between view descriptor collection and views service
- use view collection for getting and listening on views given a container
- return view descriptor colleciton always for a container

Add view-moving functionality to viewsservice which has been renamed to viewdescriptorservice. also includes outline view moving

Add view-moving functionality to viewsservice which has been renamed to viewdescriptorservice. also includes outline view moving

* update panel with view container logic

* testing with outline contrib

* remove outline command and unnecessary checks

- enable layout code to position panel to the left