Adds a refund button & action upgrades for stores (#24518)

* adds refunds to stores

* Adds method to check for starting map

* comments, datafields, some requested changes

* turns event into ref event

* Adds datafields

* Switches to entity terminating event

* Changes store entity to be nullable and checks if store is terminating to remove reference.

* Tryadd instead of containskey

* Adds a refund disable method, disables refund on bought ent container changes if not an action

* Removes datafield specification

* Readds missing using statement

* Removes unused using statements

* What the heck is listing data

---------

Co-authored-by: metalgearsloth <comedian_vs_clown@hotmail.com>

Content.Client/Store/Ui/StoreBoundUserInterface.cs

@@ -48,6 +48,11 @@ public sealed class StoreBoundUserInterface : BoundUserInterface
         {
             SendMessage(new StoreRequestUpdateInterfaceMessage());
         };
+
+        _menu.OnRefundAttempt += (_) =>
+        {
+            SendMessage(new StoreRequestRefundMessage());
+        };
     }
     protected override void UpdateState(BoundUserInterfaceState state)
     {
@@ -64,6 +69,7 @@ public sealed class StoreBoundUserInterface : BoundUserInterface
 
                 _menu.UpdateListing(msg.Listings.ToList());
                 _menu.SetFooterVisibility(msg.ShowFooter);
+                _menu.UpdateRefund(msg.AllowRefund);
                 break;
             case StoreInitializeState msg:
                 _windowName = msg.Name;