fix admin window not opening

Author: pandinocoder

Intersect.Client.Core/Core/Input.cs

@@ -325,7 +325,10 @@ public static void OnKeyPressed(Keys modifier, Keys key)
                             break;
 
                         case Control.OpenAdminPanel:
-                            PacketSender.SendOpenAdminWindow();
+                            if (Interface.Interface.GameUi.ToggleAdminWindow())
+                            {
+                                PacketSender.SendOpenAdminWindow();
+                            }
                             break;
 
                         case Control.OpenGuild:

Intersect.Client.Core/Interface/Game/Admin/AdminWindow.cs

@@ -521,7 +521,7 @@ private void MapSortCheckboxOnCheckChanged(ICheckbox sender, ValueChangedEventAr
 
     private void UpdateMapList()
     {
-        _mapTree?.Dispose();
+        _mapTree?.DelayedDelete();
 
         _mapTree = new TreeControl(_mapListPanel, nameof(_mapTree))
         {

Intersect.Client.Core/Interface/Game/GameInterface.cs

@@ -176,8 +176,10 @@ public void NotifyOpenAdminWindow()
         mShouldOpenAdminWindow = true;
     }
 
-    public void OpenAdminWindow()
+    public bool ToggleAdminWindow()
     {
+        mShouldOpenAdminWindow = false;
+
         if (mAdminWindow == null)
         {
             mAdminWindow ??= new AdminWindow(GameCanvas);
@@ -193,7 +195,7 @@ public void OpenAdminWindow()
             mAdminWindow.Show();
         }
 
-        mShouldOpenAdminWindow = false;
+        return mAdminWindow.IsVisibleInParent;
     }
 
     //Shop
@@ -378,7 +380,7 @@ public void Update(TimeSpan elapsed, TimeSpan total)
         //Admin window update
         if (mShouldOpenAdminWindow)
         {
-            OpenAdminWindow();
+            ToggleAdminWindow();
         }
 
         //Shop Update