tests: Add test for using a Constant as a condition in a ConditionalDimension #7264

Job	Run time
pytest-ubuntu-py311-gcc11-noomp-base	54m 38s
pytest-ubuntu-py311-gcc11-noomp-adjoint	40m 4s
pytest-ubuntu-py312-gcc12-omp-base	1h 11m 20s
pytest-ubuntu-py312-gcc12-omp-adjoint	52m 6s
pytest-ubuntu-py39-gcc7-omp-base	55m 3s
pytest-ubuntu-py39-gcc7-omp-adjoint	40m 34s
pytest-ubuntu-py310-gcc10-noomp-base	53m 58s
pytest-ubuntu-py310-gcc10-noomp-adjoint	40m 4s
pytest-ubuntu-py312-gcc13-omp-base	1h 11m 0s
pytest-ubuntu-py312-gcc13-omp-adjoint	51m 20s
pytest-ubuntu-py39-gcc9-omp-base	55m 54s
pytest-ubuntu-py39-gcc9-omp-adjoint	41m 12s
pytest-osx-py312-clang-omp-base	36m 39s
pytest-docker-py39-gcc-omp-base	47m 34s
pytest-docker-py39-gcc-omp-adjoint	37m 37s
pytest-docker-py39-icx-omp-base	46m 31s
pytest-docker-py39-icx-omp-adjoint	43m 13s
	13h 58m 47s

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