Fix pages navigation appearance (#787)

* Fix pages navigation appearance

* Use `IsPrimaryNavEnabled` instead of passing `isRoot`

Author: reakaleek

src/Elastic.Markdown/Slices/HtmlWriter.cs

@@ -49,14 +49,11 @@ private NavigationViewModel CreateNavigationModel(INavigation navigation)
 		if (navigation is not DocumentationGroup tree)
 			throw new InvalidOperationException("Expected a documentation group");
 
-		var isRoot = navigation.Id == tree.Id;
-
 		return new NavigationViewModel
 		{
 			Title = tree.Index?.NavigationTitle ?? "Docs",
 			TitleUrl = tree.Index?.Url ?? Set.Build.UrlPathPrefix ?? "/",
 			Tree = tree,
-			IsRoot = isRoot,
 			IsPrimaryNavEnabled = Set.Configuration.Features.IsPrimaryNavEnabled,
 			TopLevelItems = Set.Tree.NavigationItems.OfType<GroupNavigation>().ToList()
 		};

src/Elastic.Markdown/Slices/Layout/_TocTree.cshtml

@@ -60,7 +60,6 @@
 			Level = Model.Tree.Depth,
 			SubTree = Model.Tree,
 			RootNavigationId = Model.Tree.Id,
-			IsRoot = Model.IsRoot
 		}))
 	</ul>
 </div>

src/Elastic.Markdown/Slices/Layout/_TocTreeNav.cshtml

@@ -2,8 +2,8 @@
 @using Elastic.Markdown.IO.Navigation
 @inherits RazorSlice<NavigationTreeItem>
 @{
-	var topLevelGroup = Model.IsRoot ? 1 : 2;
-	var topLevelFile = Model.IsRoot ? 0 : 1;
+	var topLevelGroup = Model.IsPrimaryNavEnabled ? 2 : 1;
+	var topLevelFile = Model.IsPrimaryNavEnabled ? 1 : 0;
 }
 @foreach (var item in Model.SubTree.NavigationItems)
 {
@@ -66,7 +66,6 @@
 						IsPrimaryNavEnabled = Model.IsPrimaryNavEnabled,
 						Level = g.Depth,
 						SubTree = g,
-						IsRoot = Model.IsRoot,
 						RootNavigationId = Model.RootNavigationId
 					}))
 				</ul>

src/Elastic.Markdown/Slices/_ViewModels.cs

@@ -98,9 +98,7 @@ public class NavigationViewModel
 	public required string TitleUrl { get; init; }
 	public required INavigation Tree { get; init; }
 	//public required MarkdownFile CurrentDocument { get; init; }
-	public required bool IsRoot { get; init; }
 	public required bool IsPrimaryNavEnabled { get; init; }
-
 	public required IEnumerable<GroupNavigation> TopLevelItems { get; init; }
 }
 
@@ -109,7 +107,6 @@ public class NavigationTreeItem
 	public required int Level { get; init; }
 	//public required MarkdownFile CurrentDocument { get; init; }
 	public required INavigation SubTree { get; init; }
-	public required bool IsRoot { get; init; }
 	public required bool IsPrimaryNavEnabled { get; init; }
 	public required string RootNavigationId { get; set; }
 }