This upgrade came with a number of new lints that needed to be fixed across the code base. Primarily: explicit return types on functions, and explicit visibility modifiers on class members.
See comments. I'm not very happy with how this code bounces state in and out of different hooks and useEffect blocks, but as a quick fix this should work.
This was causing an extra reconnect cycle when the call was first
joined because it thought the previous SFU config was valid. This was
probably causing some client to fail to connect at all.
