Replaced First() by SingleOrDefault(). Reverted new grid testing as this depends on other changes too which can not yet be committed as these have nothing to do with this issue.Related to Issue [MWDAM-1632]
Cleanup the 1D profile implementation:- No need for separate CreateHeadLine method, as the generic method will already create one.Related to Issue [MWDAM-1398]
Added testcase which represents the edgecase when multiple aquifer layers for the inebtween aquifer layer does not envelope the whole X coordinate rangeRelated to Issue [MWDAM-1398]
Added testcase which represents the edgecase when multiple aquifer layers for the bottom do not envelope the whole X coordinate rangeRelated to Issue [MWDAM-1398]
Adapted failing tests due to new C#wrapper, Started with correct implementation of MacroStabilityInwardsKernelWrapper based on the C#wrapper, added conversion methods with tests for that to support some result items. Related to Issue [MWDAM-1627]
Updated definitions for PL3 and PL4:- Waternetline for PL3 is associated with the toplevel of the bottom most aquifer layer- Waternetline for PL4 is associated with the toplevel of the in between aquifer layerRelated to Issue [MWDAM-1398]
