Use cls for documentclass completion type (#20981)

GitOrigin-RevId: 938eaac212c7e08600db111563094c0447fafb9b

services/web/frontend/js/features/source-editor/languages/latex/completions/classes.ts

@@ -5,7 +5,7 @@ import { Completions } from './types'
 export function buildClassCompletions(completions: Completions) {
   for (const item of classNames) {
     completions.classes.push({
-      type: 'pkg',
+      type: 'cls',
       label: item,
       extend: extendRequiredParameter,
     })