[Fix] Export IUCLID Properties, Show Model Params and Statistics, Adjust Batch Prediction Settings (#434)

Co-authored-by: Tim Lorsbach <tim@lorsba.ch>
Reviewed-on: enviPath/enviPy#434

epiuclid/serializers/pathway_mapper.py

@@ -351,7 +351,8 @@ class PathwayMapper:
 
         props = SoilPropertiesData()
 
-        for ai in ai_list:
+        for ai_obj in ai_list:
+            ai = ai_obj.get()
             if isinstance(ai, SoilTexture1) and props.soil_type is None:
                 props.soil_type = ai.type.value
             elif isinstance(ai, SoilTexture2):