fix(rule): rename the eventname of bridge sources to $bridges/mqtt:*

apps/emqx_rule_engine/src/emqx_rule_events.erl

@@ -448,7 +448,7 @@ event_info_session_unsubscribed() ->
     ).
 event_info_bridge_mqtt()->
     event_info_common(
-        <<"$bridges/mqtt:my_mqtt_bridge">>,
+        <<"$bridges/mqtt:*">>,
         {<<"MQTT bridge message">>, <<"MQTT 桥接消息"/utf8>>},
         {<<"received a message from MQTT bridge">>, <<"收到来自 MQTT 桥接的消息"/utf8>>},
         <<"SELECT * FROM \"$bridges/mqtt:my_mqtt_bridge\" WHERE topic =~ 't/#'">>

apps/emqx_rule_engine/src/emqx_rule_sqltester.erl

@@ -84,8 +84,8 @@ echo_action(Data, Envs) ->
 fill_default_values(Event, Context) ->
     maps:merge(envs_examp(Event), Context).
 
-envs_examp(EVENT_TOPIC) ->
-    EventName = emqx_rule_events:event_name(EVENT_TOPIC),
+envs_examp(EventTopic) ->
+    EventName = emqx_rule_events:event_name(EventTopic),
     emqx_rule_maps:atom_key_map(
         maps:from_list(
             emqx_rule_events:columns_with_exam(EventName))).