Update frontend dependencies (#498)

* update npm packages

* update tsconfig

* remove babelrc, babel presets as well as stable package

* fix svg namespace tag syntax errors

* fix reference error due to namespace and class component having same name

* replace tslint with eslint

* make eslint happier

* update .nvmrc to 14

* update node version to 14 in gh workflow

* fix eslint warnings due to warnings treated as errors on CI (process.env.CI = true)

* pretty fix

* bump node version in Dockerfile

* use createRoot instead of react-dom render

* update browsers list in package.json

frontend/src/common/helpers.ts

@@ -45,15 +45,13 @@ export type Maybe<T> = T | null | undefined;
  * Asynchronous sleep
  */
 export function sleep(time: Milliseconds): Promise<void> {
-  return new Promise<void>((resolve, _reject) => {
+  return new Promise<void>((resolve) => {
     setTimeout(() => resolve(), time);
   });
 }
 
 export const timestamp = Date.now as () => Timestamp;
 
-export function noop() {}
-
 /**
  * Keep track of last N numbers pushed onto internal stack.
  * Provides means to get an average of said numbers.