Ensure EUIs close themselves (#15860)

Content.Client/Administration/UI/BanList/BanListEui.cs

@@ -1,6 +1,7 @@
 using Content.Client.Eui;
 using Content.Shared.Administration.BanList;
 using Content.Shared.Eui;
+using Content.Shared.Ghost.Roles;
 
 namespace Content.Client.Administration.UI.BanList;
 
@@ -9,9 +10,21 @@ public sealed class BanListEui : BaseEui
     public BanListEui()
     {
         BanWindow = new BanListWindow();
+        BanWindow.OnClose += OnClosed;
         BanControl = BanWindow.BanList;
     }
 
+    private void OnClosed()
+    {
+        SendMessage(new CloseEuiMessage());
+    }
+
+    public override void Closed()
+    {
+        base.Closed();
+        BanWindow.Close();
+    }
+
     private BanListWindow BanWindow { get; }
 
     private BanListControl BanControl { get; }