Migrate condition/state/trigger helper to use async_get_platform (#112144)

Currently these would always load the platform in the loop
if it was not already loaded

homeassistant/helpers/condition.py

@@ -197,7 +197,7 @@ async def _async_get_condition_platform(
             f'Invalid condition "{platform}" specified {config}'
         ) from None
     try:
-        return integration.get_platform("condition")
+        return await integration.async_get_platform("condition")
     except ImportError:
         raise HomeAssistantError(
             f"Integration '{platform}' does not provide condition support"

homeassistant/helpers/state.py

@@ -53,7 +53,9 @@ async def async_reproduce_state(
             return
 
         try:
-            platform: ModuleType = integration.get_platform("reproduce_state")
+            platform: ModuleType = await integration.async_get_platform(
+                "reproduce_state"
+            )
         except ImportError:
             _LOGGER.warning("Integration %s does not support reproduce state", domain)
             return

homeassistant/helpers/trigger.py

@@ -222,7 +222,7 @@ async def _async_get_trigger_platform(
     except IntegrationNotFound:
         raise vol.Invalid(f"Invalid platform '{platform}' specified") from None
     try:
-        return integration.get_platform("trigger")
+        return await integration.async_get_platform("trigger")
     except ImportError:
         raise vol.Invalid(
             f"Integration '{platform}' does not provide trigger support"

tests/helpers/test_trigger.py

@@ -33,7 +33,8 @@ async def test_bad_trigger_platform(hass: HomeAssistant) -> None:
 async def test_trigger_subtype(hass: HomeAssistant) -> None:
     """Test trigger subtypes."""
     with patch(
-        "homeassistant.helpers.trigger.async_get_integration", return_value=MagicMock()
+        "homeassistant.helpers.trigger.async_get_integration",
+        return_value=MagicMock(async_get_platform=AsyncMock()),
     ) as integration_mock:
         await _async_get_trigger_platform(hass, {"platform": "test.subtype"})
         assert integration_mock.call_args == call(hass, "test")