Created attachment 110626 [details] screenshot See screenshot.
Confirmed in Neon with latest git master.
Git commit 240e8e7e130c817ab91710854c7303343f0ff41f by Aleix Pol. Committed on 14/02/2018 at 20:58. Pushed by apol into branch 'Plasma/5.12'. Fix placement of the BusyIndicator over loading screenshots M +1 -1 discover/qml/ApplicationScreenshots.qml https://commits.kde.org/discover/240e8e7e130c817ab91710854c7303343f0ff41f
Verified fixed!