[LPD] [Dark] Don't use multiprocessing inside multiprocessing when opening run

See merge request !878

[Tests] Fix: Accept uppercase calibration type

See merge request !879

[LPD1M][Dark] Return None data for modules with 0 trains to skip processing

See merge request !880

Add a pytest to run a dict of CALLAB test runs before releases

See merge request !610

Fix: Break line properly into latex when next line starts with `_`

See merge request !876