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/repo-projects.js

@@ -84,7 +84,7 @@ async function initRepoProjectSortable() {
   }
 }
 
-export default function initRepoProject() {
+export function initRepoProject() {
   if (!$('.repository.projects').length) {
     return;
   }