feat(core): show searched result with results group and add duplicate commands (#5073)

[TOV-65](https://linear.app/affine-design/issue/TOV-65/should-show-searched-result-without-categories)

https://github.com/toeverything/AFFiNE/assets/102217452/50fba70b-7efa-4e47-ba8a-de21e400166c

packages/frontend/i18n/src/resources/en.json

@@ -486,6 +486,7 @@
   "com.affine.cmdk.affine.category.editor.edgeless": "Edgeless Commands",
   "com.affine.cmdk.affine.category.editor.insert-object": "Insert Object",
   "com.affine.cmdk.affine.category.editor.page": "Page Commands",
+  "com.affine.cmdk.affine.category.results": "Results",
   "com.affine.cmdk.affine.client-border-style.to": "Change Client Border Style to",
   "com.affine.cmdk.affine.color-mode.to": "Change Colour Mode to",
   "com.affine.cmdk.affine.color-scheme.to": "Change Colour Scheme to",