fixes #95355

* 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

* lcd - revert layer promotion for now

* Revert "Fix #86347. Fixed overflow widget only for extension viewlet"

This reverts commit beb8a0c7.

* Revert "Re #85313. Fix suggest widget position for extension editor."

This reverts commit 9d471918.

* repatch titlebar for AA fix

* Another attempt

* tweak titlebar z index

This reverts commit 74ffa794.

* Fix layers overlap and cutting at edges.

* limit part focus within css to windows and linux only

This resolves issues with vh units on iOS/Android

* working on the left side

* flow direction working

* flow direction

* use menubar visibility to set setting

* hide titlebar on the web

* fix hover feedback