Bluetooth: advmon offload MSFT interleave scanning integration

When MSFT extension is supported, we don't have to interleave the scan
as we could just do allowlist scan.

Signed-off-by: Archie Pusaka <apusaka@chromium.org>
Reviewed-by: Miao-chen Chou <mcchou@chromium.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>