feat(trigger): add event_name to PluginTriggerMetadata for enhanced trigger handling

- Introduced event_name attribute in PluginTriggerMetadata to improve metadata clarity.
- Updated dispatch_triggered_workflow function to include event_name when dispatching triggered workflows.

api/services/workflow/entities.py

@@ -61,6 +61,7 @@ class PluginTriggerMetadata(TriggerMetadata):
     endpoint_id: str
     plugin_unique_identifier: str
     provider_id: str
+    event_name: str
     icon_filename: str
     icon_dark_filename: str
 

api/tasks/trigger_processing_tasks.py

@@ -207,6 +207,7 @@ def dispatch_triggered_workflow(
                     plugin_unique_identifier=provider_controller.plugin_unique_identifier or "",
                     endpoint_id=subscription.endpoint_id,
                     provider_id=subscription.provider_id,
+                    event_name=event_name,
                     icon_filename=trigger_entity.identity.icon or "",
                     icon_dark_filename=trigger_entity.identity.icon_dark or "",
                 ),