ux: use simple TextBox instead of NameHighlightedTextBlock for commit message histories

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

Author: love-linger

src/Resources/Styles.axaml

@@ -836,6 +836,10 @@
                     <v:NameHighlightedTextBlock Text="{Binding}" VerticalAlignment="Center"/>
                   </DataTemplate>
 
+                  <DataTemplate DataType="vm:CommitMessageRecord">
+                    <TextBlock Text="{Binding Subject}" VerticalAlignment="Center" TextTrimming="CharacterEllipsis"/>
+                  </DataTemplate>
+
                   <DataTemplate DataType="vm:FilterModeInGraph">
                     <v:FilterModeInGraph/>
                   </DataTemplate>

src/ViewModels/WorkingCopy.cs

@@ -11,6 +11,11 @@
 
 namespace SourceGit.ViewModels
 {
+    public record CommitMessageRecord(string subject)
+    {
+        public string Subject { get; set; } = subject;
+    }
+
     public class WorkingCopy : ObservableObject, IDisposable
     {
         public bool IncludeUntracked
@@ -1555,7 +1560,7 @@ public ContextMenu CreateContextMenuForCommitMessages()
                     var subjectEndIdx = message.IndexOf('\n');
                     var subject = subjectEndIdx > 0 ? message.Substring(0, subjectEndIdx) : message;
                     var item = new MenuItem();
-                    item.Header = subject;
+                    item.Header = new CommitMessageRecord(subject);
                     item.Icon = App.CreateMenuIcon("Icons.Histories");
                     item.Click += (_, e) =>
                     {