SelectExtended: Fix Initialized Value Doesn't Show on Input When Multiselection & Virtualize

Author: mckaragoz

src/CodeBeam.MudBlazor.Extensions/Components/SelectExtended/MudSelectExtended.razor

@@ -163,7 +163,7 @@
         <div style="display: none">
             <CascadingValue Value="@this" IsFixed="true">
                 <MudListExtended T="T" @bind-SelectedValue:set="@SetValueAsync" @bind-SelectedValue:get="@ReadValue" @bind-SelectedValues="@SelectedValues" @bind-SelectedItem="@SelectedListItem" @bind-SelectedItems="@SelectedListItems"
-                                 Clickable="true" Color="@Color" Dense="@Dense" ItemCollection="@ItemCollection" Virtualize="@Virtualize" Padding="@EnablePopoverPadding" EnableSelectedItemStyle="@EnableSelectedItemStyle"
+                                 Clickable="true" Color="@Color" Dense="@Dense" ItemCollection="@ItemCollection" Padding="@EnablePopoverPadding" EnableSelectedItemStyle="@EnableSelectedItemStyle"
                                  MultiSelection="@MultiSelection" MultiSelectionComponent="@MultiSelectionComponent" MultiSelectionAlign="@MultiSelectionAlign" SelectAll="@SelectAll" SelectAllPosition="@SelectAllPosition" SelectAllText="@SelectAllText"
                                  CheckedIcon="@CheckedIcon" UncheckedIcon="@UncheckedIcon" IndeterminateIcon="@IndeterminateIcon" SelectValueOnTab="@SelectValueOnTab" Comparer="@Comparer" AddNullItem="@AddNullItem" AddedNullItemText="@AddedNullItemText"
                                  ItemTemplate="@ItemTemplate" ItemSelectedTemplate="@ItemSelectedTemplate" ItemDisabledTemplate="@ItemDisabledTemplate" SearchBox="@SearchBox" SearchBoxAutoFocus="@SearchBoxAutoFocus" SearchFunc="@SearchFunc" SearchBoxPlaceholder="@SearchBoxPlaceholder"

src/CodeBeam.MudBlazor.Extensions/Components/SelectExtended/MudSelectExtended.razor.cs

@@ -773,10 +773,10 @@ protected override void OnInitialized()
             {
                 _selectedValues = new HashSet<T?>(_comparer) { ReadValue };
             }
-            else if (MultiSelection && SelectedValues != null)
+            else if (MultiSelection && SelectedValues != null && SelectedValues.Any())
             {
                 // TODO: Check this line again
-                SetValueAsync(SelectedValues.FirstOrDefault()).CatchAndLog();
+                SetValueAndUpdateTextAsync(SelectedValues.FirstOrDefault()).CatchAndLog();
             }
         }