Make missing material IDs a fatal error for multi-material simulations
At the moment, OGS only prints a warning if material IDs are missing in the bulk mesh for multi-material simulation, e.g. warning: There are 8 porous medium definitions in the project file but only -1 different values in the MaterialIDs vector/data_array in the mesh.
This warning can easily be overlooked.
This MR adds an additional further check and leads to a fatal error in this case.
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Feature description was added to the changelog -
Tests covering your feature were added? -
Any new feature or behaviour change was documented?