NonlinearDiffusionNewtonGalerkin form is broken

Introduced in !16 (merged).

We do not currently test this form in the integration tests, hence it has gone unnoticed. However, the deterministic job fails since !16 (merged) has been merged.

python3 generate_all_operators.py --output $i --no-clang-format -s P1 -f NonlinearDiffusionNewtonGalerkin --quad-degree 2 2 -o MOVECONSTANTS QUADLOOPS TABULATE VECTORIZE;

  File "/builds/hyteg/hog/generate_all_operators.py", line 896, in <module>
    main()
  File "/builds/hyteg/hog/generate_all_operators.py", line 450, in main
    generate_elementwise_op(
  File "/builds/hyteg/hog/generate_all_operators.py", line 838, in generate_elementwise_op
    form = op_info.form(
TypeError: nonlinear_diffusion_newton_galerkin() got an unexpected keyword argument 'onlyNewtonGalerkinPartOfForm'