D21633: Change Text Selection icon to edit-select-text

[Noah Davis]

ndavis added a dependency: D21632: Add edit-select-text, make 16px draw-text 
like 22px.

REPOSITORY
  R223 Okular

REVISION DETAIL
  https://phabricator.kde.org/D21633

To: ndavis, #vdg, #okular
Cc: okular-devel, joaonetto, tfella, ngraham, darcyshen, aacid