Add error message when invoking async methods synchronously in JSInterop#64273

ernest-koguc wants to merge 1 commit intodotnet:maindotnet/aspnetcore:mainfrom

ernest-koguc:fix/calling-async-methods-synchronously-in-jsinteropernest-koguc/aspnetcore:fix/calling-async-methods-synchronously-in-jsinteropCopy head branch name to clipboard