fix blazor startup to not require sticky sessions

index.html

<script src="~/_framework/blazor.server.js" autostart="false" asp-append-version="true"></script>
<script>
    Blazor.start({
        configureSignalR: function (builder) {
            builder.withUrl('_blazor', {
                skipNegotiation: true,
                transport: 1
            });
            builder.configureLogging(1);
        }
    });
</script>