Add timeout to avatar fetches and avoid blocking on profile syncs

Co-authored-by: trevor-signal <131492920+trevor-signal@users.noreply.github.com>

ts/background.ts

@@ -3041,13 +3041,15 @@ export async function startApp(): Promise<void> {
     drop(ViewOnceOpenSyncs.onSync(attributes));
   }
 
-  async function onFetchLatestSync(ev: FetchLatestEvent): Promise<void> {
-    ev.confirm();
+  function onFetchLatestSync(ev: FetchLatestEvent): void {
+    // Don't block on fetchLatestSync events
+    drop(doFetchLatestSync(ev));
+  }
 
+  async function doFetchLatestSync(ev: FetchLatestEvent): Promise<void> {
     const { eventType } = ev;
 
     const FETCH_LATEST_ENUM = Proto.SyncMessage.FetchLatest.Type;
-
     switch (eventType) {
       case FETCH_LATEST_ENUM.LOCAL_PROFILE: {
         log.info('onFetchLatestSync: fetching latest local profile');
@@ -3058,7 +3060,7 @@ export async function startApp(): Promise<void> {
       }
       case FETCH_LATEST_ENUM.STORAGE_MANIFEST:
         log.info('onFetchLatestSync: fetching latest manifest');
-        await StorageService.runStorageServiceSyncJob();
+        StorageService.runStorageServiceSyncJob();
         break;
       case FETCH_LATEST_ENUM.SUBSCRIPTION_STATUS:
         log.info('onFetchLatestSync: fetching latest subscription status');
@@ -3068,6 +3070,8 @@ export async function startApp(): Promise<void> {
       default:
         log.info(`onFetchLatestSync: Unknown type encountered ${eventType}`);
     }
+
+    ev.confirm();
   }
 
   async function onKeysSync(ev: KeysEvent) {

ts/textsecure/WebAPI.ts

@@ -1984,7 +1984,7 @@ export function initialize({
         contentType: 'application/octet-stream',
         proxyUrl,
         responseType: 'bytes',
-        timeout: 0,
+        timeout: 90 * SECOND,
         type: 'GET',
         redactUrl: (href: string) => {
           const pattern = RegExp(escapeRegExp(path), 'g');