Fix insurance removes stored item and fix drawn element not being removed (#639)

* Exclude items stored inside root item (e.g. armored rigs) when processing regular items

* Remove draw element when whitelist is null

* Simplify null check

Libraries/SPTarkov.Server.Core/Controllers/InsuranceController.cs

@@ -402,7 +402,7 @@ public class InsuranceController(
                 if (parentAttachmentsMap.ContainsKey(insuredItem.Id))
                 {
                     // This call will also return the parent item itself, queueing it for deletion as well.
-                    var itemAndChildren = insured.Items.GetItemWithChildren(insuredItem.Id);
+                    var itemAndChildren = insured.Items.GetItemWithChildren(insuredItem.Id, true);
                     foreach (var item in itemAndChildren)
                     {
                         toDelete.Add(item.Id);

Libraries/SPTarkov.Server.Core/Utils/Collections/ProbabilityObjectArray.cs

@@ -226,7 +226,7 @@ public class ProbabilityObjectArray<K, V> : List<ProbabilityObject<K, V>>
             drawnKeys.Add(chosenItem.Key);
 
             // Only remove item if it's not in whitelist
-            if (neverRemoveWhitelist is not null && !neverRemoveWhitelist.Contains(chosenItem.Key))
+            if (neverRemoveWhitelist is null || !neverRemoveWhitelist.Contains(chosenItem.Key))
             {
                 // Reduce total weight value by items weight + Remove item from pool
                 totalWeight -= chosenItem.Weight;