[2.0 / next] A guess on a second createOptimistic made while another action's refresh is in flight doesn't show (#4629, other source) #4666

const server = createMemo(() => ask("fetch").then(() => serverRows.map(r => ({ ...r }))));
const [assignTruth] = createSignal(() => [] as number[]);
const [assigning, guessAssign] = createOptimistic(() => assignTruth());
const [closeTruth] = createSignal(() => [] as number[]);
const [closing, guessClose] = createOptimistic(() => closeTruth());
const shown = createMemo(() => server()
  .filter(r => !closing().includes(r.id))
  .map(r => `#${r.id}(${assigning().includes(r.id) ? "guest" : r.who ?? "-"})`).join(" "));
createRenderEffect(() => shown(), v => frames.push(v));

const assign = action(function* (id) { guessAssign(xs => [...xs, id]); yield ask(`assign:${id}`); /* server updates */ refresh(server); });
const close  = action(function* (id) { guessClose(xs => [...xs, id]);  yield ask(`close:${id}`);  /* server updates */ refresh(server); });