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/tribute.js

@@ -49,7 +49,7 @@ function makeCollections({mentions, emoji}) {
   return collections;
 }
 
-export default async function attachTribute(elementOrNodeList, {mentions, emoji} = {}) {
+export async function attachTribute(elementOrNodeList, {mentions, emoji} = {}) {
   if (!window.config.requireTribute || !elementOrNodeList) return;
   const nodes = Array.from('length' in elementOrNodeList ? elementOrNodeList : [elementOrNodeList]);
   if (!nodes.length) return;