UI: add operator search to edit-menu

While this is most useful to access from an active-region,
it's not discoverable without a menu entry.

release/scripts/startup/bl_ui/space_topbar.py

@@ -499,6 +499,10 @@ class INFO_MT_edit(Menu):
 
         layout.separator()
 
+        layout.operator("wm.search_menu", text="Operator Search...")
+
+        layout.separator()
+
         # Should move elsewhere (impacts outliner & 3D view).
         tool_settings = context.tool_settings
         layout.prop(tool_settings, "lock_object_mode")