automatically rerenders orderlist when orders are balanced

PizzaBot/Components/Pages/PizzaOrderList.razor

@@ -4,6 +4,7 @@
 @inject PizzaDBService PizzaDBService
 @inject Microsoft.AspNetCore.Components.NavigationManager navigationManager
 @inject GlobalStuffService GlobalStuffService
+@rendermode InteractiveServer
 @attribute [StreamRendering]
 
 <PageTitle>Pizza List</PageTitle>
@@ -118,4 +119,13 @@
     {
         navigationManager.NavigateTo($"/order/edit/{id}");
     }
+
+    protected override void OnInitialized()
+    {
+        EventHandler Reload = async (sender, eventArgs) =>
+            {
+                await InvokeAsync(StateHasChanged);
+            };
+        PizzaDBService.OnBalanced += Reload;
+    }
 }

PizzaBot/Services/PizzaDBService.cs

@@ -32,6 +32,8 @@ namespace PizzaBot.Services
         private PizzaRequestNameEqualityComparer _reqNameEqualityComparer = new PizzaRequestNameEqualityComparer();
         private Random _rnd = new Random();
 
+        public event EventHandler OnBalanced;
+
         public PizzaDBService(PizzaContext context, PizzaBalancingService balancingService, GlobalStuffService globalStuffService)
         {
             _context = context;
@@ -230,6 +232,8 @@ namespace PizzaBot.Services
             _globalStuffService.TotalCost = balancingResult.totalCost;
 
             _globalStuffService.ShouldBalance = false;
+
+            OnBalanced(this, null);
         }
 
         public bool DeleteAllOrders(string passPhrase)