vtkInstallCMakePackageHelpers: hint embree when ospray is needed
This should fix the regression in ParaView on vall
introduced in 04d75ec0 (from !5881 (merged)).
Backport: paraview/release
This should fix the regression in ParaView on vall
introduced in 04d75ec0 (from !5881 (merged)).
Backport: paraview/release