Fix multiple remote_receivers with triggers (#4477)

esphome/components/remote_base/__init__.py

@@ -79,7 +79,9 @@ def register_trigger(name, type, data_type):
     validator = automation.validate_automation(
         {
             cv.GenerateID(CONF_TRIGGER_ID): cv.declare_id(type),
-            cv.GenerateID(CONF_RECEIVER_ID): cv.use_id(RemoteReceiverBase),
+            cv.Optional(CONF_RECEIVER_ID): cv.invalid(
+                "This has been removed in ESPHome 2022.3.0 and the trigger attaches directly to the parent receiver."
+            ),
         }
     )
     registerer = TRIGGER_REGISTRY.register(f"on_{name}", validator)
@@ -87,7 +89,6 @@ def register_trigger(name, type, data_type):
     def decorator(func):
         async def new_func(config):
             var = cg.new_Pvariable(config[CONF_TRIGGER_ID])
-            await register_listener(var, config)
             await coroutine(func)(var, config)
             await automation.build_automation(var, [(data_type, "x")], config)
             return var
@@ -223,10 +224,12 @@ async def build_binary_sensor(full_config):
 
 
 async def build_triggers(full_config):
+    triggers = []
     for key in TRIGGER_REGISTRY:
         for config in full_config.get(key, []):
             func = TRIGGER_REGISTRY[key][0]
-            await func(config)
+            triggers.append(await func(config))
+    return triggers
 
 
 async def build_dumpers(config):

esphome/components/remote_receiver/__init__.py

@@ -56,7 +56,9 @@ async def to_code(config):
     for dumper in dumpers:
         cg.add(var.register_dumper(dumper))
 
-    await remote_base.build_triggers(config)
+    triggers = await remote_base.build_triggers(config)
+    for trigger in triggers:
+        cg.add(var.register_listener(trigger))
     await cg.register_component(var, config)
 
     cg.add(var.set_tolerance(config[CONF_TOLERANCE]))