A set of fixes and upgrades

* writeToDownloads: Add missing await
* Remove window.isFocused() - not used anywhere!
* Update typescript, p-queue, make necessary changes to fix build
* Slow down sender certificate retries with no existing cert
* Slow down signed prekey refreshes when unlinked - 5s -> 5m
* Update protobufjs to 4.1.2

ts/components/emoji/EmojiButton.tsx

@@ -10,7 +10,7 @@ import {
 } from './EmojiPicker';
 import { LocalizerType } from '../../types/Util';
 
-export type EmojiPickDataType = EmojiPickDataType;
+export { EmojiPickDataType };
 
 export type OwnProps = {
   readonly i18n: LocalizerType;