Since the review pane has different requirements than the page view, this
change introduces a mode parameter to the AnnotationPopup ctor.
REVIEW: 106045
Provide the actions for all annotations in the RMB menu, if multiple
annotations are located on top of each other.
BUGS: 300942
REVIEW: 106035
FIXED-IN: 4.10.0
* We do not keep them around any more time than needed (they are cheap to create)
* AnnotWindow::slotsaveWindowText calls m_document->modifyPageAnnotation so
edition of inline notes happens immediately