Merge pull request #10094 from rabbitmq/mergify/bp/v3.11.x/pr-10092

rabbitmq_management_agent: Use `rabbit_plugins:enabled_plugins_file/0` (backport #10087) (backport #10092)

Author: michaelklishin

deps/rabbitmq_management_agent/src/rabbit_mgmt_external_stats.erl

@@ -245,7 +245,7 @@ i(net_ticktime, State) ->
 i(persister_stats, State) ->
  {State, persister_stats(State)};
 i(enabled_plugins, State) ->
- {ok, Dir} = application:get_env(rabbit, enabled_plugins_file),
+ Dir = rabbit_plugins:enabled_plugins_file(),
  {State, rabbit_plugins:read_enabled(Dir)};
 i(auth_mechanisms, State) ->
  {ok, Mechanisms} = application:get_env(rabbit, auth_mechanisms),