Unitstore: Fix the Folder migration (#96078)

* UniStore: Add folder to the SQL backend

This reverts commit aaa4f4a23e.

* fix folder migration

pkg/storage/unified/sql/data/resource_read.sql

@@ -1,6 +1,11 @@
 SELECT
-    {{ .Ident "resource_version" | .Into .ResourceVersion }},
-    {{ .Ident "value" | .Into .Value }}
+    {{ .Ident "namespace" | .Into .Response.Key.Namespace }},
+    {{ .Ident "group" | .Into .Response.Key.Group }},
+    {{ .Ident "resource" | .Into .Response.Key.Resource }},
+    {{ .Ident "name" | .Into .Response.Key.Name }},
+    {{ .Ident "folder" | .Into .Response.Folder }},
+    {{ .Ident "resource_version" | .Into .Response.ResourceVersion }},
+    {{ .Ident "value" | .Into .Response.Value }}
     FROM {{ .Ident "resource" }}
     WHERE 1 = 1
         AND {{ .Ident "namespace" }} = {{ .Arg .Request.Key.Namespace }}