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