JS refactors (#22227)

- Replace all default exports with named exports, except for Vue SFCs
- Remove names from Vue SFCs, they are automatically inferred from the
filename
- Misc whitespace-related tweaks

web_src/js/features/comp/WebHookEditor.js

@@ -1,4 +1,5 @@
 import $ from 'jquery';
+
 const {csrfToken} = window.config;
 
 export function initCompWebHookEditor() {