TT#78467 add cdr.destination_account relation

+fix wrong file perm

Change-Id: Ic8b60aa47a5be4ae70382a6e976336c68200d6ba

lib/NGCP/Schema/Result/cdr.pm

@@ -304,6 +304,18 @@ __PACKAGE__->belongs_to(
   { cascade_copy => 0, cascade_delete => 0, join_type => 'left' }
 );
 
+__PACKAGE__->belongs_to(
+  "destination_account",
+  "NGCP::Schema::Result::contracts",
+  { "id" => "destination_account_id" },
+  {
+    is_deferrable => 1,
+    join_type     => "LEFT",
+    on_delete     => "SET NULL",
+    on_update     => "UPDATE",
+  },
+);
+
 __PACKAGE__->belongs_to(
   "destination_subscriber",
   "NGCP::Schema::Result::voip_subscribers",