* Improve announced button and link labels for screen reader users
* Improve labels for integration widgets and update test
* Make integration widget IDs to be required
GitOrigin-RevId: 1e0124ef63a91fb63dffd79881c60794bccb9d27
* Convert event-tracking to TypeScript
* Convert local-storage to TypeScript
* Convert mapSeries to TypeScript
* Convert SessionStorage to TypeScript
* Convert account-upgrade to TypeScript
* Convert isValidTeXFile to TypeScript
* Convert date functions to TypeScript
* Convert EventEmitter to TypeScript
* Convert isNetworkError to TypeScript
* Convert webpack-public-path to TypeScript
* Convert displayNameForUser to TypeScript
GitOrigin-RevId: 79c5a2d1101fcd520f3116f0f4af29d974189d94
