Modify Rule.send_to_targets() to handle event_bus_name as ARN (#3804)

* Modify Rule.send_to_targets() to handle event_bus_name as ARN

* Apply black formatting

Co-authored-by: Tom Noble <tom.noble@bjss.com>

moto/events/models.py

@@ -82,6 +82,7 @@ class Rule(CloudFormationModel):
                 self.targets.pop(index)
 
     def send_to_targets(self, event_bus_name, event):
+        event_bus_name = event_bus_name.split("/")[-1]
         if event_bus_name != self.event_bus_name:
             return