Automation trigger info type hint improvements (#55402)

* Make automation trigger info a TypedDict

* zwave_js trigger type hint fixes

* Remove redundant automation trigger info field presence checks

* Use async_initialize_triggers in mqtt and tasmota device_trigger tests

homeassistant/components/automation/__init__.py

@@ -2,7 +2,7 @@
 from __future__ import annotations
 
 import logging
-from typing import Any, Awaitable, Callable, Dict, cast
+from typing import Any, Awaitable, Callable, Dict, TypedDict, cast
 
 import voluptuous as vol
 from voluptuous.humanize import humanize_error
@@ -106,6 +106,23 @@ _LOGGER = logging.getLogger(__name__)
 AutomationActionType = Callable[[HomeAssistant, TemplateVarsType], Awaitable[None]]
 
 
+class AutomationTriggerData(TypedDict):
+    """Automation trigger data."""
+
+    id: str
+    idx: str
+
+
+class AutomationTriggerInfo(TypedDict):
+    """Information about automation trigger."""
+
+    domain: str
+    name: str
+    home_assistant_start: bool
+    variables: TemplateVarsType
+    trigger_data: AutomationTriggerData
+
+
 @bind_hass
 def is_on(hass, entity_id):
     """