D26770: [App Style KCM] Hide preview buttons, if previewers are not found

[Nathaniel Graham]

ngraham accepted this revision.
ngraham added a comment.
This revision is now accepted and ready to land.


  LGTM.

REPOSITORY
  R119 Plasma Desktop

BRANCH
  hide-preview-buttons

REVISION DETAIL
  https://phabricator.kde.org/D26770

To: gikari, ngraham
Cc: ngraham, plasma-devel, Orage, LeGast00n, The-Feren-OS-Dev, jraleigh, zachus, fbampaloukas, GB_2, ragreen, ZrenBot, alexeymin, himcesjf, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, ahiemstra, mart
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