[Menu/Tooltip] Fixed incorrectly previously

src/Core/Components/Menu/FluentMenuProvider.razor.cs

@@ -25,7 +25,7 @@ public FluentMenuProvider()
 
     /// <summary />
     internal string? StyleValue => new StyleBuilder(Style)
-        .AddStyle("display", "fixed")   // To prevent the menu from displaying a scrollbar in body
+        .AddStyle("position", "fixed")   // To prevent the menu from displaying a scrollbar in body
         .AddStyle("z-index", ZIndex.Menu.ToString())
         .Build();
 

src/Core/Components/Stack/FluentStack.razor.cs

@@ -26,18 +26,21 @@ public partial class FluentStack : FluentComponentBase
 
     /// <summary>
     /// Gets or sets the horizontal alignment of the components in the stack.
+    /// Default is <see cref="HorizontalAlignment.Left"/>
     /// </summary>
     [Parameter]
     public HorizontalAlignment HorizontalAlignment { get; set; } = HorizontalAlignment.Left;
 
     /// <summary>
     /// Gets or sets the vertical alignment of the components in the stack.
+    /// Default is <see cref="VerticalAlignment.Top"/>
     /// </summary>
     [Parameter]
     public VerticalAlignment VerticalAlignment { get; set; } = VerticalAlignment.Top;
 
     /// <summary>
     /// Gets or sets the orientation of the stacked components.
+    /// Default is <see cref="Orientation.Horizontal"/>.
     /// </summary>
     [Parameter]
     public Orientation Orientation { get; set; } = Orientation.Horizontal;

src/Core/Components/Tooltip/FluentTooltipProvider.razor.cs

@@ -13,7 +13,8 @@ protected string? ClassValue
 
     /// <summary />
     internal string? StyleValue => new StyleBuilder(Style)
-        .AddStyle("display", "fixed")   // To prevent the tooltip from displaying a scrollbar in body
+        .AddStyle("position", "fixed")   // To prevent the tooltip from displaying a scrollbar in body
+        .AddStyle("z-index", ZIndex.Menu.ToString())
         .Build();
 
     [Inject]