fix #2427 - issue with upgrade available in Language Management

Oqtane.Client/Modules/Admin/Themes/Index.razor

@@ -29,7 +29,7 @@ else
         <Row>
             <td><ActionLink Action="View" Parameters="@($"name=" + WebUtility.UrlEncode(context.ThemeName))" ResourceKey="ViewTheme" /></td>
             <td>
-                @if (context.AssemblyName != "Oqtane.Client")
+				@if (context.AssemblyName != Constants.ClientId)
                     {
                     <ActionDialog Header="Delete Theme" Message="@string.Format(Localizer["Confirm.Theme.Delete"], context.Name)" Action="Delete" Security="SecurityAccessLevel.Host" Class="btn btn-danger" OnClick="@(async () => await DeleteTheme(context))" ResourceKey="DeleteTheme" />
                     }