### Description

Currently Airflow has a `Filter Upstream` View/option inside the graph view. (As documented [here](https://docs.astronomer.io/learn/airflow-ui#graph-view) under `Filter Upstream`)

<img width="682" alt="image" src="https://user-images.githubusercontent.com/9246654/211711759-670a1180-7f90-4ecd-84b0-2f3b290ff477.png">

It would be great if there were also the options
1. `Filter Downstream` &
2. `Filter Downstream & Upstream`

### Use case/motivation

Sometimes it is useful to view downstream tasks & down & upstream tasks when reviewing dags. This feature would make it as easy to view those as it is to view upstream today.

### Related issues

I found nothing with a quick search

### Are you willing to submit a 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)

"""Triggers DAG Run."""
        dag_id = request.values.get("dag_id")
        run_id = request.values.get("run_id")
        origin = get_safe_url(request.values.get("origin"))
        unpause = request.values.get("unpause")
        request_conf = request.values.get("conf")
        request_execution_date = request.values.get("execution_date", default=timezone.utcnow().isoformat())
        is_dag_run_conf_overrides_params = conf.getboolean("core", "dag_run_conf_overrides_params")
        dag = get_airflow_app().dag_bag.get_dag(dag_id)
        dag_orm: DagModel = session.query(DagModel).filter(DagModel.dag_id == dag_id).first()
        
        form_fields = {}
        for k, v in dag.params.items():
            form_fields[k] = v.dump()
            
            if "schema" not in form_fields[k]:
                form_fields[k]["schema"] = {}
            if "type" not in form_fields[k]["schema"]:
                if isinstance(form_fields[k]["value"], bool):
                    form_fields[k]["schema"]["type"] = "boolean"
                elif isinstance(form_fields[k]["value"], int):
                    form_fields[k]["schema"]["type"] = ["integer", "null"]
                elif isinstance(form_fields[k]["value"], list):
                    form_fields[k]["schema"]["type"] = ["array", "null"]
                elif isinstance(form_fields[k]["value"], dict):
                    form_fields[k]["schema"]["type"] = ["object", "null"]
            
            if (
                "description_html" in form_fields[k]["schema"]