D10859: Improve layout of annotation configuration dialogs

[Simone Gaiarin]

simgunz marked an inline comment as done.

REPOSITORY
  R223 Okular

BRANCH
  fix-annot-config-dialog

REVISION DETAIL
  https://phabricator.kde.org/D10859

To: simgunz, #okular, #vdg, ngraham
Cc: shubham, davidhurka, aacid, okular-devel, knambiar, ngraham, joaonetto, 
tfella, darcyshen