### Body

In the Pools UI we don't show the description column though we do have it:
https://github.com/apache/airflow/blob/99eeb84c820c8a380721e5d40f5917a01616b943/airflow/models/pool.py#L56

and we have it in the API:
https://github.com/apache/airflow/pull/19841

The task:
Expose the column in the UI
![Screenshot 2023-10-04 at 17 08 05](https://github.com/apache/airflow/assets/45845474/4ed7ed5b-8d42-4a72-b271-07d07066f914)


### Committer

- [X] I acknowledge that I am a maintainer/committer of the Apache Airflow project.
"""Deferred slots rendering."""
        pool_id = self.get("pool")
        deferred_slots = self.get("deferred_slots")
        if pool_id is not None and deferred_slots is not None:
            url = url_for("TaskInstanceModelView.list", _flt_3_pool=pool_id, _flt_3_state="deferred")
            return Markup("<a href='{url}'>{deferred_slots}</a>").format(
                url=url, deferred_slots=deferred_slots
            )
        else:
            return Markup('<span class="label label-danger">Invalid</span>')
    formatters_columns = {
        "pool": pool_link,
        "running_slots": frunning_slots,
        "queued_slots": fqueued_slots,
        "scheduled_slots": fscheduled_slots,
        "deferred_slots": fdeferred_slots,
    }
    validators_columns = {"pool": [validators.DataRequired()], "slots": [validators.NumberRange(min=-1)]}
def _can_create_variable() -> bool:
    return get_airflow_app().appbuilder.sm.has_access(
        permissions.ACTION_CAN_CREATE, permissions.RESOURCE_VARIABLE
    )
class VariableModelView(AirflowModelView):