libkwineffects: Drop EffectsHandler.windowToDesktop
Use EffectsHandler.windowToDesktops instead.
windowToDesktop is used only by the desktop grid mode in the overview effect, and it doesn't pass -1 id
Edited by Vlad Zahorodnii
Use EffectsHandler.windowToDesktops instead.
windowToDesktop is used only by the desktop grid mode in the overview effect, and it doesn't pass -1 id