Make ItemLacksSlotsCartridgesAndChambers more robust, migrate to extension

Libraries/SPTarkov.Server.Core/Extensions/TemplateItemExtensions.cs

@@ -63,5 +63,23 @@ namespace SPTarkov.Server.Core.Extensions
 
             return relatedItemDbModSlot?.Props?.Filters?.FirstOrDefault()?.Plate;
         }
+
+        /// <summary>
+        ///     Does the passed in <see cref="TemplateItem"/> lack slots, cartridges or chambers
+        /// </summary>
+        /// <param name="item">Item to check</param>
+        /// <returns>True if it lacks cartridges/chamber slots, False if not</returns>
+        public static bool HasNoSlotsCartridgesOrChambers(this TemplateItem item)
+        {
+            if (item.Properties is null)
+            {
+                return true;
+            }
+
+            return item.Properties.Slots is null
+                || !item.Properties.Slots.Any()
+                    && (item.Properties.Cartridges is null || !item.Properties.Cartridges.Any())
+                    && (item.Properties.Chambers is null || !item.Properties.Chambers.Any());
+        }
     }
 }

Libraries/SPTarkov.Server.Core/Generators/BotEquipmentModGenerator.cs

@@ -509,7 +509,7 @@ public class BotEquipmentModGenerator(
     /// <returns>Weapon + mods array</returns>
     public List<Item> GenerateModsForWeapon(MongoId sessionId, GenerateWeaponRequest request)
     {
-        if (ItemLacksSlotsCartridgesAndChambers(request.ParentTemplate))
+        if (request.ParentTemplate.HasNoSlotsCartridgesOrChambers())
         {
             logger.Error(
                 serverLocalisationService.GetText(
@@ -830,24 +830,6 @@ public class BotEquipmentModGenerator(
         return request.Weapon;
     }
 
-    /// <summary>
-    ///     Does the passed in db item lack slot cartridges or chambers
-    /// </summary>
-    /// <param name="item">Item to check</param>
-    /// <returns>True it lacks cartridges/chamber slots</returns>
-    protected bool ItemLacksSlotsCartridgesAndChambers(TemplateItem item)
-    {
-        if (item.Properties is null)
-        {
-            return true;
-        }
-
-        return item.Properties.Slots is null
-            || !item.Properties.Slots.Any()
-                && !item.Properties.Cartridges.Any()
-                && !item.Properties.Chambers.Any();
-    }
-
     /// <summary>
     ///     Should the provided bot have its stock chance values altered to 100%
     /// </summary>