Handle adding booster in addItem

src/services/inventoryService.ts

@@ -819,6 +819,9 @@ export const addItem = async (
                         return addMotorcycle(inventory, typeName);
                     }
                     break;
+                case "Boosters":
+                    // e.g. RadioLegionIntermission2Syndicate Level 14
+                    return addBooster(typeName, quantity * 24 * 60 * 60, inventory); // assume each quantity is 1 day
             }
             break;
     }
@@ -1796,19 +1799,33 @@ export const addMissionComplete = (inventory: TInventoryDatabaseDocument, { Tag,
     }
 };
 
-export const addBooster = (ItemType: string, time: number, inventory: TInventoryDatabaseDocument): void => {
+export const addBooster = (
+    ItemType: string,
+    time: number,
+    inventory: TInventoryDatabaseDocument,
+    inventoryChanges: IInventoryChanges = {}
+): IInventoryChanges => {
     const currentTime = Math.floor(Date.now() / 1000);
 
     const { Boosters } = inventory;
 
-    const itemIndex = Boosters.findIndex(booster => booster.ItemType === ItemType);
-
-    if (itemIndex !== -1) {
-        const existingBooster = Boosters[itemIndex];
-        existingBooster.ExpiryDate = Math.max(existingBooster.ExpiryDate, currentTime) + time;
+    const item = Boosters.find(booster => booster.ItemType === ItemType);
+    if (item) {
+        item.ExpiryDate = Math.max(item.ExpiryDate, currentTime) + time;
+        combineInventoryChanges(inventoryChanges, {
+            Boosters: [
+                {
+                    ItemType,
+                    ExpiryDate: item.ExpiryDate
+                }
+            ]
+        });
     } else {
-        Boosters.push({ ItemType, ExpiryDate: currentTime + time });
+        const toAdditem = { ItemType, ExpiryDate: currentTime + time };
+        Boosters.push(toAdditem);
+        combineInventoryChanges(inventoryChanges, { Boosters: [toAdditem] });
     }
+    return inventoryChanges;
 };
 
 export const updateSyndicate = (