Use desktop mode on the broswer and then just use regular screen sharing. Its how I block ads on prime video since i can still use ad block on firefox and just stream to my tv instead of using the native app on the tv with ads. I assume the same thing will work with Netflix as well. Worst case if you have a samsung device use dex to stream the device to the tv open a browser with ad block and then watch the show. Or alternarively just pirate the content and forget about the shitty streaming services