Replace Array.from() with spread operator

packages/jspsych/src/modules/plugin-api/KeyboardListenerAPI.ts

@@ -48,7 +48,7 @@ export class KeyboardListenerAPI {
   private rootKeydownListener(e: KeyboardEvent) {
     // Iterate over a static copy of the listeners set because listeners might add other listeners
     // that we do not want to be included in the loop
-    for (const listener of Array.from(this.listeners)) {
+    for (const listener of [...this.listeners]) {
       listener(e);
     }
     this.heldKeys.add(this.toLowerCaseIfInsensitive(e.key));