Preserve Editor cursor style when updating position

src/Terminal.Gui.Editor/Editor.Drawing.cs

@@ -362,6 +362,10 @@ private void UpdateCursor ()
         }
 
         Point screen = ViewportToScreen (new Point (col, row));
-        Cursor = new Cursor { Position = screen, Style = CursorStyle.BlinkingBar };
+        Cursor = Cursor with
+        {
+            Position = screen,
+            Style = Cursor.Style == CursorStyle.Hidden ? CursorStyle.Default : Cursor.Style
+        };
     }
 }

tests/Terminal.Gui.Editor.IntegrationTests/EditorRenderingTests.cs

@@ -330,6 +330,19 @@ public async Task Cursor_Position_After_Tab_Uses_Expanded_Tab_Columns ()
         Assert.Equal (new Point (4, 0), fx.Top.Editor.Cursor.Position);
     }
 
+    [Fact]
+    public async Task Cursor_Style_Is_Preserved_When_Position_Updates ()
+    {
+        await using AppFixture<EditorTestHost> fx = new (() => new EditorTestHost ("abc"));
+        fx.Top.Editor.SetFocus ();
+        fx.Top.Editor.Cursor = new Cursor { Style = CursorStyle.SteadyUnderline };
+        fx.Top.Editor.CaretOffset = 2;
+        fx.Render ();
+
+        Assert.Equal (new Point (2, 0), fx.Top.Editor.Cursor.Position);
+        Assert.Equal (CursorStyle.SteadyUnderline, fx.Top.Editor.Cursor.Style);
+    }
+
     [Fact]
     public async Task Highlighted_Tokens_Follow_The_Active_Scheme ()
     {

tests/Terminal.Gui.Editor.IntegrationTests/EditorTests.cs

@@ -531,6 +531,6 @@ public async Task Primary_Caret_Is_Visible_After_Exiting_MultiCaret ()
 
         // The primary caret is the terminal cursor. After dismissing the block it must still be
         // drawn (visible, not the hidden default cursor) and positioned on the primary offset.
-        Assert.Equal (CursorStyle.BlinkingBar, fx.Top.Editor.Cursor.Style);
+        Assert.True (fx.Top.Editor.Cursor.IsVisible);
     }
 }