Resolve "Ouvrages: modifier les types d'ouvrages"

Closes #511 (closed)

src/app/calculators/parallelstructure/config.json

@@ -13,7 +13,7 @@
         "id": "fs_ouvrage",
         "type": "fieldset_template",
         "calcType": "Structure",
-        "defaultStructType": "VanneFondRectangulaire",
+        "defaultStructType": "SeuilOrificeRectangulaire",
         "defaultLoiDebit": "GateCem88v",
         "fields": [
             {