[ModelicaSystemDoE] build model after all structural parameters are defined

Author: syntron

OMPython/ModelicaSystem.py

@@ -1521,6 +1521,7 @@ def prepare(self) -> int:
                 variableFilter=self._variableFilter,
                 customBuildDirectory=self._customBuildDirectory,
                 omhome=self._omhome,
+                build=False,
             )
 
             sim_args_structure = {}
@@ -1537,6 +1538,8 @@ def prepare(self) -> int:
                     expression = f"setParameterValue({self._modelName}, {pk_structure}, {pk_value})"
                 mod_structure.sendExpression(expression)
 
+            mod_structure.buildModel(variableFilter=self._variableFilter)
+
             for idx_pc_simple, pc_simple in enumerate(param_simple_combinations):
                 sim_args_simple = {}
                 for idx_simple, pk_simple in enumerate(param_simple.keys()):