Add additional item types to fence always-stack array

Adjust code to filter out all wearable equipment that has slots
Add +1 to items that are always-stackable - ensures items that have no key in `itemStackSizeOverrideMinMax` get incremented

project/assets/configs/trader.json

@@ -125,11 +125,18 @@
         },
         "preventDuplicateOffersOfCategory": [
             "543be5cb4bdc2deb348b4568",
+            "57bef4c42459772e8d35a53b",
             "5485a8684bdc2da71d8b4567",
 			"5448f3ac4bdc2dce718b4569",
 			"5448f39d4bdc2d0a728b4568",
 			"5448f3a14bdc2d27728b4569",
-			"5448bc234bdc2d3c308b4569"
+			"5448bc234bdc2d3c308b4569",
+            "543be5e94bdc2df1348b4568",
+            "5448eb774bdc2d0a728b4567",
+            "5447e1d04bdc2dff2f8b4567",
+            "5448ecbe4bdc2d60728b4568",
+            "543be6674bdc2df1348b4569",
+            "5448fe124bdc2da5018b4567"
         ],
         "weaponDurabilityPercentMinMax": {
             "current": {

project/src/services/FenceService.ts

@@ -609,7 +609,7 @@ export class FenceService
             if (this.itemShouldBeForceStacked(existingItem, itemDbDetails))
             {
                 i--;
-
+                existingItem.upd.StackObjectsCount++;
                 continue;
             }
 
@@ -667,8 +667,11 @@ export class FenceService
             return false;
         }
 
-        // Don't stack armored rigs
-        if (this.itemHelper.isOfBaseclass(itemDbDetails._id, BaseClasses.VEST) && itemDbDetails._props.Slots.length > 0)
+        // Don't stack armor with slots (plates/inserts etc)
+        if (
+            this.itemHelper.isOfBaseclass(itemDbDetails._id, BaseClasses.ARMORED_EQUIPMENT)
+            && itemDbDetails._props.Slots.length > 0
+        )
         {
             return false;
         }