D12149: Improve grid spacing in icons-on-top mode for open/save dialogs

[Nathaniel Graham]

ngraham marked an inline comment as done.

REPOSITORY
  R241 KIO

BRANCH
  arcpatch-D12149

REVISION DETAIL
  https://phabricator.kde.org/D12149

To: ngraham, #frameworks, #vdg, rkflx, abetts
Cc: abetts, cfeck, alexeymin, michaelh, ngraham, bruns