### Apache Airflow version

2.6.3

### What happened

When the condition in ```ShortCircuitOperator``` is truthy it is returned at
https://github.com/apache/airflow/blob/a2ae2265ce960d65bc3c4bf805ee77954a1f895c/airflow/operators/python.py#L252
but when it is falsy, the function falls through without returning anything.

If ```multiple_outputs``` is set ```true``` (with for example ```@task.short_circuit(multiple_outputs=True```) ```_handle_output``` of
```DecoratedOperator``` at
https://github.com/apache/airflow/blob/a2ae2265ce960d65bc3c4bf805ee77954a1f895c/airflow/decorators/base.py#L242
does not test for None and raises at
https://github.com/apache/airflow/blob/a2ae2265ce960d65bc3c4bf805ee77954a1f895c/airflow/decorators/base.py#L255
This makes it impossible to pass a falsy value (i.e. an empty dictionary) so ```ShortCircuitOperator``` is unusable with ```multiple_outputs=true```


### What you think should happen instead

Probably the ```xcom_push``` should not be attempted with ```None```, or possibly the condition should be returned by ```ShortCircuitOperator``` even if it is falsy

### How to reproduce

```python
@task.short_circuit(multiple_outputs=True)
def test():
  return {}
```

### Operating System

Ubuntu 22.04.2 LTS

### Versions of Apache Airflow Providers

_No response_

### Deployment

Official Apache Airflow Helm Chart

### Deployment details

_No response_

### Anything else

_No response_

### Are you willing to submit PR?

- [ ] Yes I am willing to submit a PR!

### Code of Conduct

- [X] I agree to follow this project's [Code of Conduct](https://github.com/apache/airflow/blob/main/CODE_OF_CONDUCT.md)

self.dag_id = f"dag_{slugify(request.cls.__name__)}"
        self.task_id = f"task_{slugify(request.node.name, max_length=40)}"
        self.run_id = f"run_{slugify(request.node.name, max_length=40)}"
        self.ds_templated = self.default_date.date().isoformat()
        self.ti_maker = create_task_instance_of_operator
        self.dag_maker = dag_maker
        self.dag = self.dag_maker(self.dag_id, template_searchpath=TEMPLATE_SEARCHPATH).dag
        clear_db_runs()
        yield
        clear_db_runs()
    @staticmethod
    def assert_expected_task_states(dag_run: DagRun, expected_states: dict):
        """Helper function that asserts `TaskInstances` of a given `task_id` are in a given state."""
        asserts = []
        for ti in dag_run.get_task_instances():
            try:
                expected = expected_states[ti.task_id]
            except KeyError:
                asserts.append(f"Unexpected task id {ti.task_id!r} found, expected {expected_states.keys()}")
                continue
            if ti.state != expected:
                asserts.append(f"Task {ti.task_id!r} has state {ti.state!r} instead of expected {expected!r}")
        if asserts:
            pytest.fail("\n".join(asserts))
    @staticmethod
    def default_kwargs(**kwargs):