HOTFIX: Fix lineedit focus (#34621)

* Test entered tree fix

* Use Opened override

* Fix keyboard focus on window open for DialogWindow

This affects Phone, Pray, Rename, and multiple other admin verbs.

* Clean up

Content.Client/UserInterface/Controls/DialogWindow.xaml.cs

@@ -87,9 +87,6 @@ public sealed partial class DialogWindow : FancyWindow
             Prompts.AddChild(box);
         }
 
-        // Grab keyboard focus for the first dialog entry
-        _promptLines[0].Item2.GrabKeyboardFocus();
-
         OkButton.OnPressed += _ => Confirm();
 
         CancelButton.OnPressed += _ =>
@@ -110,6 +107,14 @@ public sealed partial class DialogWindow : FancyWindow
         OpenCentered();
     }
 
+    protected override void Opened()
+    {
+        base.Opened();
+        
+        // Grab keyboard focus for the first dialog entry
+        _promptLines[0].Item2.GrabKeyboardFocus();
+    }
+
     private void Confirm()
     {
         var results = new Dictionary<string, string>();