Fix empty navigation

Author: reakaleek

src/Elastic.Documentation.Site/Layout/_PagesNav.cshtml

@@ -3,7 +3,7 @@
 
 	@if (Model.Features.LazyLoadNavigation && !string.IsNullOrEmpty(Model.NavigationFileName))
 	{
-		<div hx-get="@(Model.UrlPathPrefix?.TrimEnd('/') + "/" + Model.NavigationFileName)" hx-trigger="load" hx-params="nav" hx-push-url="false" hx-swap="innerHTML" hx-target="#pages-nav"></div>
+		<div class="hidden" hx-get="@(Model.Link(Model.NavigationFileName))" hx-trigger="load" hx-params="nav" hx-push-url="false" hx-swap="innerHTML" hx-target="#pages-nav"></div>
 	}
 	<nav
 		id="pages-nav"

src/Elastic.Markdown/HtmlWriter.cs

@@ -61,7 +61,9 @@ private async Task<RenderResult> RenderLayout(MarkdownFile markdown, MarkdownDoc
 			? await NavigationHtmlWriter.RenderNavigation(markdown.NavigationRoot, markdown.NavigationSource, 1, ctx)
 			: new EmptyNavigationRenderResult();
 
-		var navigationHtmlRenderResult = DocumentationSet.Context.Configuration.Features.LazyLoadNavigation ? fullNavigationRenderResult : miniNavigationRenderResult;
+		var navigationHtmlRenderResult = DocumentationSet.Context.Configuration.Features.LazyLoadNavigation
+			? miniNavigationRenderResult
+			: fullNavigationRenderResult;
 
 		var current = PositionalNavigation.GetCurrent(markdown);
 		var previous = PositionalNavigation.GetPrevious(markdown);