feat(ingest): package preview initial ui implementation
feat(ingest): package preview on right pane

+ add old audio/video player
+ change sdTabmodule directive
+ create ui for right pane package items preview
feat(ingest): full package preview UI
feat(authoring): reenable article edit screen
feat(authoring): save workqueue items in localstorage
feat(authoring): implement 'create' and 'close' actions