paraview: optionally depend on `threedxwaresdk`
Without this, the SDK might be detected as being enabled but not built first.
See: https://gitlab.kitware.com/paraview/paraview-superbuild/-/jobs/9397399#L9603
System updates will be applied on Nov 25th between 7am and 9am, EST (UTC-05:00). This site will have intermittent downtime during that time.
Without this, the SDK might be detected as being enabled but not built first.
See: https://gitlab.kitware.com/paraview/paraview-superbuild/-/jobs/9397399#L9603