Increase syndicate uplink discount amount to 6. (#33950)

* Increase uplink discounts from 3 to 7

* nevermind, 6

Content.IntegrationTests/Tests/StoreTests.cs

@@ -79,11 +79,11 @@ public sealed class StoreTests
             var discountComponent = entManager.GetComponent<StoreDiscountComponent>(pda);
             Assert.That(
                 discountComponent.Discounts,
-                Has.Exactly(3).Items,
-                $"After applying discount total discounted items count was expected to be '3' "
+                Has.Exactly(6).Items,
+                $"After applying discount total discounted items count was expected to be '6' "
                 + $"but was actually {discountComponent.Discounts.Count}- this can be due to discount "
                 + $"categories settings (maxItems, weight) not being realistically set, or default "
-                + $"discounted count being changed from '3' in StoreDiscountSystem.InitializeDiscounts."
+                + $"discounted count being changed from '6' in StoreDiscountSystem.InitializeDiscounts."
             );
             var discountedListingItems = storeComponent.FullListingsCatalog
                                                        .Where(x => x.IsCostModified)

Content.Server/StoreDiscount/Systems/StoreDiscountSystem.cs

@@ -71,7 +71,7 @@ public sealed class StoreDiscountSystem : EntitySystem
 
     private IReadOnlyList<StoreDiscountData> InitializeDiscounts(
         IReadOnlyCollection<ListingDataWithCostModifiers> listings,
-        int totalAvailableDiscounts = 3
+        int totalAvailableDiscounts = 6
     )
     {
         // Get list of categories with cumulative weights.

Resources/Prototypes/Catalog/discount_categories.yml

@@ -1,7 +1,7 @@
 - type: discountCategory
   id: rareDiscounts # Dirty-cheap items that are rarely used and can be discounted to 0-ish cost to encourage usage.
   weight: 18
-  maxItems: 2
+  maxItems: 4
 
 - type: discountCategory
   id: usualDiscounts # Cheap items that are used not very often.
@@ -10,4 +10,4 @@
 - type: discountCategory
   id: veryRareDiscounts # Casually used items that are widely used but can be (rarely) discounted for epic lulz.
   weight: 2
-  maxItems: 1
+  maxItems: 2