fix: hidden batch_time for mongodb

apps/emqx_bridge_mongodb/src/emqx_bridge_mongodb.erl

@@ -74,6 +74,11 @@ fields("creation_opts") ->
             importance => ?IMPORTANCE_HIDDEN,
             converter => fun(_, _) -> 1 end,
             desc => ?DESC("batch_size")
+        }},
+        {batch_time, #{
+            importance => ?IMPORTANCE_HIDDEN,
+            converter => fun(_, _) -> 0 end,
+            desc => ?DESC("batch_size")
         }}
     ]);
 fields(action) ->
@@ -102,6 +107,11 @@ fields(action_resource_opts) ->
             importance => ?IMPORTANCE_HIDDEN,
             converter => fun(_, _) -> 1 end,
             desc => ?DESC("batch_size")
+        }},
+        {batch_time, #{
+            importance => ?IMPORTANCE_HIDDEN,
+            converter => fun(_, _) -> 0 end,
+            desc => ?DESC("batch_size")
         }}
     ]);
 fields(resource_opts) ->