Remove some BUI boilerplate (#28399)

* Remove some BUI boilerplate

- The disposals overrides got removed due to the helper method handling it.
- Replace window creation with CreateWindow helper.
- Fixed some stinky code which would cause exceptions.

* More

* moar

* weh

* done

* More BUIs

* More updates

* weh

* moar

* look who it is

* weh

* merge

* weh

* fixes

Content.Client/Access/UI/AccessOverriderBoundUserInterface.cs

@@ -2,6 +2,7 @@ using Content.Shared.Access;
 using Content.Shared.Access.Components;
 using Content.Shared.Access.Systems;
 using Content.Shared.Containers.ItemSlots;
+using Robust.Client.UserInterface;
 using Robust.Shared.Prototypes;
 using static Content.Shared.Access.Components.AccessOverriderComponent;
 
@@ -23,6 +24,28 @@ namespace Content.Client.Access.UI
         {
             base.Open();
 
+            _window = this.CreateWindow<AccessOverriderWindow>();
+            RefreshAccess();
+            _window.Title = EntMan.GetComponent<MetaDataComponent>(Owner).EntityName;
+            _window.OnSubmit += SubmitData;
+
+            _window.PrivilegedIdButton.OnPressed += _ => SendMessage(new ItemSlotButtonPressedEvent(PrivilegedIdCardSlotId));
+        }
+
+        public override void OnProtoReload(PrototypesReloadedEventArgs args)
+        {
+            base.OnProtoReload(args);
+            if (!args.WasModified<AccessLevelPrototype>())
+                return;
+
+            RefreshAccess();
+
+            if (State != null)
+                _window?.UpdateState(_prototypeManager, (AccessOverriderBoundUserInterfaceState) State);
+        }
+
+        private void RefreshAccess()
+        {
             List<ProtoId<AccessLevelPrototype>> accessLevels;
 
             if (EntMan.TryGetComponent<AccessOverriderComponent>(Owner, out var accessOverrider))
@@ -30,38 +53,20 @@ namespace Content.Client.Access.UI
                 accessLevels = accessOverrider.AccessLevels;
                 accessLevels.Sort();
             }
-
             else
             {
                 accessLevels = new List<ProtoId<AccessLevelPrototype>>();
                 _accessOverriderSystem.Log.Error($"No AccessOverrider component found for {EntMan.ToPrettyString(Owner)}!");
             }
 
-            _window = new AccessOverriderWindow(this, _prototypeManager, accessLevels)
-            {
-                Title = EntMan.GetComponent<MetaDataComponent>(Owner).EntityName
-            };
-
-            _window.PrivilegedIdButton.OnPressed += _ => SendMessage(new ItemSlotButtonPressedEvent(PrivilegedIdCardSlotId));
-
-            _window.OnClose += Close;
-            _window.OpenCentered();
-        }
-
-        protected override void Dispose(bool disposing)
-        {
-            base.Dispose(disposing);
-            if (!disposing)
-                return;
-
-            _window?.Dispose();
+            _window?.SetAccessLevels(_prototypeManager, accessLevels);
         }
 
         protected override void UpdateState(BoundUserInterfaceState state)
         {
             base.UpdateState(state);
             var castState = (AccessOverriderBoundUserInterfaceState) state;
-            _window?.UpdateState(castState);
+            _window?.UpdateState(_prototypeManager, castState);
         }
 
         public void SubmitData(List<ProtoId<AccessLevelPrototype>> newAccessList)