### Body

In Admin -> Providers view
The description shows a `<br>`
<img width="1286" alt="Screenshot 2023-08-11 at 21 54 25" src="https://github.com/apache/airflow/assets/45845474/2cdba81e-9cea-4ed4-8420-1e9ab4c2eee2">


### Committer

- [X] I acknowledge that I am a maintainer/committer of the Apache Airflow project.
return redirect_or_json(origin, msg)
        try:
            tis = dag.clear(
                start_date=start_date,
                end_date=end_date,
                task_ids=task_ids,
                include_subdags=recursive,
                include_parentdag=recursive,
                only_failed=only_failed,
                dry_run=True,
                session=session,
            )
        except AirflowException as ex:
            return redirect_or_json(origin, msg=str(ex), status="error", status_code=500)
        assert isinstance(tis, collections.abc.Iterable)
        details = [str(t) for t in tis]
        if not details:
            return redirect_or_json(origin, "No task instances to clear", status="error", status_code=404)
        elif request.headers.get("Accept") == "application/json":
            if confirmed:
                return htmlsafe_json_dumps(details, separators=(",", ":"))
            return htmlsafe_json_dumps(
                [{"task_id": ti.task_id, "map_index": ti.map_index, "run_id": ti.run_id} for ti in tis],
                separators=(",", ":"),
            )
        return self.render_template(
            "airflow/confirm.html",
            endpoint=None,
            message="Task instances you are about to clear:",
            details="\n".join(details),