Remove aria-expanded from razor side since JS is handling that now

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: jschick04

src/EventLogExpert/Shared/Components/ValueSelect.razor

@@ -4,7 +4,7 @@
 
 <div class="dropdown-input" @onkeydown="HandleKeyDown" @onkeydown:preventDefault="_preventDefault" @ref="_selectComponent">
     <input aria-activedescendant="@HighlightedItem?.ItemId" aria-controls="@_itemId"
-        aria-expanded="false" aria-haspopup="listbox"
+        aria-haspopup="listbox"
         aria-label="@(string.IsNullOrWhiteSpace(AriaLabelledBy) ? AriaLabel : null)" aria-labelledby="@AriaLabelledBy"
         class="@CssClass" @oninput="OnInputChange" readonly="@(!IsInput || IsMultiSelect)" role="combobox" tabindex="0" type="text" value="@DisplayString" />