front: fix the number of loading states

Signed-off-by: Younes Khoudli <[email protected]>

Author: Khoyo

front/public/locales/en/operationalStudies/scenario.json

@@ -14,7 +14,7 @@
   },
   "filterPlaceholder": "Filter, tags",
   "advancedFiltersPlaceholder": "Filter by family, serie, detail",
-  "infraLoadingState": "{{step}}/7",
+  "infraLoadingState": "{{step}}/3",
   "infrastructure": "Infrastructure",
   "lessDetails": "less details",
   "macroscopic": "MACRO",

front/public/locales/fr/operationalStudies/scenario.json

@@ -13,7 +13,7 @@
     "unableToDuplicateATrain": "Impossible de dupliquer le train"
   },
   "filterPlaceholder": "Filtre, étiquettes",
-  "infraLoadingState": "{{step}}/7",
+  "infraLoadingState": "{{step}}/3",
   "infrastructure": "Infrastructure",
   "lessDetails": "moins de détails",
   "macroscopic": "MACRO",