fixed new workspace all fields disabled
workspace and modelview changes

- moved panels re-org into ModelView from Workspace
  - simplified workspace menuitem creation, so deleted some
    obsolete code.
- removed extra requery after workspace apply()
- updated WorkspacePanels settings
  - trying out CollapsingArranger in Workspace. I like it.
Merge remote-tracking branch 'TRAVIS/22656-widget-fixin' into 22656-gui-fixes
fixes for more toolbar, UI menu changes