Add VTK_NEWINSTANCE hint to MapScalars() and other methods
These methods return new VTK objects which were leaking in the Python wrappers.
Closes: #19174 (closed)
Backport: release
Backport: paraview/release
These methods return new VTK objects which were leaking in the Python wrappers.
Closes: #19174 (closed)
Backport: release
Backport: paraview/release