fix: refuse to add items non-fatally

This is needed to complete to the railjack quest when already owning a railjack

src/services/inventoryService.ts

@@ -1071,11 +1071,12 @@ const addCrewShip = (
     inventoryChanges: IInventoryChanges = {}
 ): IInventoryChanges => {
     if (inventory.CrewShips.length != 0) {
-        throw new Error("refusing to add CrewShip because account already has one");
+        logger.error("refusing to add CrewShip because account already has one");
-    }
+    } else {
         const index = inventory.CrewShips.push({ ItemType: typeName }) - 1;
         inventoryChanges.CrewShips ??= [];
         inventoryChanges.CrewShips.push(inventory.CrewShips[index].toJSON<IEquipmentClient>());
+    }
     return inventoryChanges;
 };
 
@@ -1085,11 +1086,12 @@ const addCrewShipHarness = (
     inventoryChanges: IInventoryChanges = {}
 ): IInventoryChanges => {
     if (inventory.CrewShipHarnesses.length != 0) {
-        throw new Error("refusing to add CrewShipHarness because account already has one");
+        logger.error("refusing to add CrewShipHarness because account already has one");
-    }
+    } else {
         const index = inventory.CrewShipHarnesses.push({ ItemType: typeName }) - 1;
         inventoryChanges.CrewShipHarnesses ??= [];
         inventoryChanges.CrewShipHarnesses.push(inventory.CrewShipHarnesses[index].toJSON<IEquipmentClient>());
+    }
     return inventoryChanges;
 };
 
@@ -1099,11 +1101,12 @@ const addMotorcycle = (
     inventoryChanges: IInventoryChanges = {}
 ): IInventoryChanges => {
     if (inventory.Motorcycles.length != 0) {
-        throw new Error("refusing to add Motorcycle because account already has one");
+        logger.error("refusing to add Motorcycle because account already has one");
-    }
+    } else {
         const index = inventory.Motorcycles.push({ ItemType: typeName }) - 1;
         inventoryChanges.Motorcycles ??= [];
         inventoryChanges.Motorcycles.push(inventory.Motorcycles[index].toJSON<IEquipmentClient>());
+    }
     return inventoryChanges;
 };