Trim ranking comments

Say it once and match mergeAppRows: app rows sort after all menu items,
not interleaved among them.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

shell/plugins/menu/MenuModel.js

@@ -309,11 +309,8 @@ function searchScore(items, entry, query) {
   else if (descriptionTextMatches(needle, descriptionText)) score = 60
 
   if (entry.kind === "menu" || entry.kind === "link") score -= 2
-  // mergeAppRows appends app rows after every menu item, so an app always
-  // loses the order tiebreak below to a menu entry that matches just as well.
-  // Searching an installed app's name should launch it, not offer to install
-  // or remove it. The bias stays under the 10-point gap between match tiers,
-  // so a menu entry that matches better still sorts first.
+  // App rows sort after all menu items, so they lose the tiebreak below to an
+  // equal match. Outrank those, but stay inside the tier so better ones win.
   if (entry.kind === "app") score -= 5
 
   return score * 1000 + depthFor(items, entry.id) * 25 + entry.order

test/shell.d/menu-test.sh

@@ -110,9 +110,8 @@ assertDeepEqual(
 const defaultItems = menu.parseMenuJsonc(defaultMenuJsonc)
 const defaultById = Object.fromEntries(defaultItems.map(item => [item.id, item]))
 
-// App rows land after every static item, so ranking has to survive the real
-// menu's item count: with hundreds of entries ahead of them, the order
-// tiebreak alone buries an installed app under Install and Remove.
+// Needs the real menu: app rows sort after all menu items, and only at that
+// item count does the order tiebreak alone bury an installed app.
 const rankBase = menu.mergeMenuSources(defaultItems, [])
 const ranked = menu.mergeAppRows(rankBase.items, rankBase.itemOrder, [
   { id: 'apps.brave', parent: 'apps', kind: 'app', label: 'Brave', description: '', aliases: [] },