D9043: Use a distinct and more appropriate icon for Layers

[Albert Astals Cid]

aacid added a comment.


  dialog-layers seems to be breeze only, which is not very good for people not 
using breeze :/

REPOSITORY
  R223 Okular

REVISION DETAIL
  https://phabricator.kde.org/D9043

To: ngraham, aacid, #okular
Cc: gassaf, ngraham, aacid