Validations of the soil profile performed in class PlLinesCreator.cs and PlLinesToWaternetConverter.cs are moved to a new class SoilProfileValidator and called only by the PlLinesCreator. Related to Issue [MWDAM-2164]
Reference line of the waternet containing upwards vertical part is corrected (by shifting the highest point by 1cm) in order to be correctly displayed in D-Stability Related to Issue [MWDAM-2517]