ux: makes BranchSelector looks like normal ComboBox

Signed-off-by: leo <longshuang@msn.cn>

Author: love-linger

src/Views/BranchSelector.axaml

@@ -65,7 +65,7 @@
                    InheritsTransform="True">
               <Border Background="{DynamicResource Brush.Contents}"
                       BorderThickness="1"
-                      BorderBrush="{DynamicResource Brush.Border1}"
+                      BorderBrush="{DynamicResource Brush.Accent}"
                       CornerRadius="4"
                       Padding="4"
                       HorizontalAlignment="Stretch">

src/Views/BranchSelector.axaml.cs

@@ -39,15 +39,6 @@ public Models.Branch SelectedBranch
             set => SetValue(SelectedBranchProperty, value);
         }
 
-        public static readonly StyledProperty<bool> UseFriendlyNameProperty =
-            AvaloniaProperty.Register<BranchSelector, bool>(nameof(UseFriendlyName));
-
-        public bool UseFriendlyName
-        {
-            get => GetValue(UseFriendlyNameProperty);
-            set => SetValue(UseFriendlyNameProperty, value);
-        }
-
         public static readonly StyledProperty<bool> IsDropDownOpenedProperty =
             AvaloniaProperty.Register<BranchSelector, bool>(nameof(IsDropDownOpened));
 
@@ -93,6 +84,7 @@ protected override void OnPropertyChanged(AvaloniaPropertyChangedEventArgs chang
                     var visible = new List<Models.Branch>();
                     var oldSelection = SelectedBranch;
                     var keepSelection = false;
+
                     foreach (var b in Branches)
                     {
                         if (b.FriendlyName.Contains(SearchFilter, StringComparison.OrdinalIgnoreCase))