more than one of them at the time.
* Changed ViewLayer::FindView() to FindViews() that collects all views
with the given flag set, not just the first one.
* Made ViewLayer::AttachedToWindow() and DetachFromWindow() virtual,
WorkspacesLayer now overloads them to register itself with the window and
the desktop.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@24300 a95241bf-73f2-0310-859d-f6bbb57e9c96