Fix serviceworker output file and misc improvements (#11562)

* Fix serviceworker output file and misc improvements

- Fix output file location for production build
- Cache more asset types: fonts and worker variants
- Parallelize a few tasks during initalization
- Only invalidate caches starting with our prefix
- Remove public/serviceworker.js before building
- Remove font preloads, they cause strange cors issues
- Misc eslint config adjustments

* remove webpack output files on watch-frontend

web_src/js/serviceworker.js

@@ -3,9 +3,16 @@ import {StaleWhileRevalidate} from 'workbox-strategies';
 
 const cacheName = 'static-cache-v2';
 
+// disable workbox debug logging in development, remove when debugging the service worker
+self.__WB_DISABLE_DEV_LOGS = true;
+
+// see https://developer.mozilla.org/en-US/docs/Web/API/RequestDestination for possible values
 const cachedDestinations = new Set([
+  'font',
   'manifest',
+  'paintworklet',
   'script',
+  'sharedworker',
   'style',
   'worker',
 ]);