HS: Add default name.

src/Model/HydraulicStructures/Basic/HydraulicStructures.py

@@ -158,6 +158,9 @@ class BasicHS(SQLSubModel):
 
     @property
     def name(self):
+        if self._name == "":
+            return f"{self._type}{self.id + 1}"
+
         return self._name
 
     @name.setter

src/Model/HydraulicStructures/HydraulicStructures.py

@@ -187,6 +187,9 @@ class HydraulicStructure(SQLSubModel):
 
     @property
     def name(self):
+        if self._name == "":
+            return f"HS{self.id + 1}"
+
         return self._name
 
     @name.setter