triggers always produce a Context()

If triggers don't produce a context to be reused by later calls (even when there isn't one incoming) then actions taken based on, for instance, time_trigger, are not attributed to a pyscript.

Author: dlashua

custom_components/pyscript/trigger.py

@@ -831,7 +831,7 @@ async def trigger_watch(self):
                 if "context" in func_args and isinstance(func_args["context"], Context):
                     hass_context = Context(parent_id=func_args["context"].id)
                 else:
-                    hass_context = None
+                    hass_context = Context()
 
                 # Fire an event indicating that pyscript is running
                 # Note: the event must have an entity_id for logbook to work correctly.