Align dashboard and installer flows with spec

src/server/routes/op.ts

@@ -3,6 +3,7 @@ import { fetchReleaseVersions } from '../../shared/mojang'
 import {
   createNewPack,
   deletePacks,
+  listDashboardPacks,
   loadAccounts,
   loadPackDefinition,
   loadRootManifest,
@@ -59,10 +60,10 @@ opRouter.post('/op/logout', requireAuth, (req, res) => {
 
 opRouter.get('/op/dashboard', requireAuth, async (_req, res, next) => {
   try {
-    const manifest = await loadRootManifest()
+    const packs = await listDashboardPacks()
     res.render('op/dashboard', {
       userId: _req.session.userId,
-      packs: manifest.packs
+      packs
     })
   } catch (error) {
     next(error)