Fix the Autocomplete search rendreding on slow connections (#2820)

examples/Demo/Shared/Microsoft.FluentUI.AspNetCore.Components.xml

@@ -3517,6 +3517,7 @@
             Gets or sets the dialog position:
             left (full height), right (full height)
             or screen middle (using Width and Height properties).
+            HorizontalAlignment.Stretch is not supported for this property.
             </summary>
         </member>
         <member name="P:Microsoft.FluentUI.AspNetCore.Components.DialogParameters.Title">
@@ -5675,6 +5676,9 @@
         <member name="P:Microsoft.FluentUI.AspNetCore.Components.FluentAutocomplete`1.SelectableItem">
             <summary />
         </member>
+        <member name="M:Microsoft.FluentUI.AspNetCore.Components.FluentAutocomplete`1.ShouldRender">
+            <summary />
+        </member>
         <member name="M:Microsoft.FluentUI.AspNetCore.Components.FluentAutocomplete`1.InputHandlerAsync(Microsoft.AspNetCore.Components.ChangeEventArgs)">
             <summary />
         </member>
@@ -13869,6 +13873,11 @@
             The content is aligned to the end.
             </summary>
         </member>
+        <member name="F:Microsoft.FluentUI.AspNetCore.Components.HorizontalAlignment.Stretch">
+            <summary>
+            The content is stretched to fill the available space.
+            </summary>
+        </member>
         <member name="T:Microsoft.FluentUI.AspNetCore.Components.HorizontalPosition">
             <summary>
             Describes the horizontal positioning of a <see cref="T:Microsoft.FluentUI.AspNetCore.Components.FluentAnchoredRegion"/>.

src/Core/Components/List/FluentAutocomplete.razor.cs

@@ -19,6 +19,7 @@ public partial class FluentAutocomplete<TOption> : ListComponentBase<TOption> wh
     public new FluentTextField? Element { get; set; } = default!;
     private Virtualize<TOption>? VirtualizationContainer { get; set; }
     private readonly Debounce _debounce = new();
+    private bool _shouldRender = true;
 
     /// <summary>
     /// Initializes a new instance of the <see cref="FluentAutocomplete{TOption}"/> class.
@@ -267,6 +268,9 @@ public partial class FluentAutocomplete<TOption> : ListComponentBase<TOption> wh
     /// <summary />
     private TOption? SelectableItem { get; set; }
 
+    /// <summary />
+    protected override bool ShouldRender() => _shouldRender;
+
     /// <summary />
     protected override async Task InputHandlerAsync(ChangeEventArgs e)
     {
@@ -275,6 +279,8 @@ public partial class FluentAutocomplete<TOption> : ListComponentBase<TOption> wh
             return;
         }
 
+        _shouldRender = false;
+
         ValueText = e.Value?.ToString() ?? string.Empty;
         await RaiseValueTextChangedAsync(ValueText);
 
@@ -312,6 +318,9 @@ public partial class FluentAutocomplete<TOption> : ListComponentBase<TOption> wh
         {
             await VirtualizationContainer.RefreshDataAsync();
         }
+
+        _shouldRender = true;
+        StateHasChanged();
     }
 
     private ValueTask<ItemsProviderResult<TOption>> LoadFilteredItemsAsync(ItemsProviderRequest request)