fix: remove textbox height setter

Author: rajamatt

reference/TubePlayer/src/TubePlayer/Presentation/MainPage.cs

@@ -65,7 +65,6 @@ public MainPage()
                                 new TextBox()
                                     .Background(Theme.Brushes.Surface.Variant.Default)
                                     .Text(b => b.Binding(() => vm.SearchTerm).TwoWay().UpdateSourceTrigger(UpdateSourceTrigger.PropertyChanged))
-                                    .Height(40)
                                     .PlaceholderText("Search")
                                     .CornerRadius(20)
                                     .BorderThickness(0)