Make shortPoll() more permissive

This will make us less likely to crash if the user's computer is being
slow for whatever reason.

src/util/index.ts

@@ -251,7 +251,7 @@ export async function nextTick(): Promise<void> {
  *
  * If the function does not return a value within a reasonable amount of time,
  * throws {@link TimedOutError}.  */
-export async function shortPoll<T>(fn: () => T, ms: number = 10): Promise<T> {
+export async function shortPoll<T>(fn: () => T, ms: number = 100): Promise<T> {
   // Relies on the implicit behavior of setTimeout() being automatically
   // delayed--see "Nested timeouts" from:
   // https://developer.mozilla.org/en-US/docs/Web/API/setTimeout