clear search entry only if not empty
Menu: create new note from clipboard
close menu on dialog opening
show all notes on empty search escape
decrease desktop notes min width and height
DesktopNotes: redesign container close and resize buttons
decrease desktop notes min height
open_uri(): check if path exists
allow 'classic' sesion mode
fix prefs
links preview on mouseover
webpage previewer
advanced prefs
cleanup
DialogNoteView: preview links
LinkPreviewDialog: fix positioning
DesktopNotes: click on free space to exit modal mode
DesktopNotes: change z-position for popups
PopupDialog: hide by <Esc>
Prefs: rename 'Window size' to 'Dialog size'