### 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.
except AirflowException as e:
            if not e.__cause__:
                flash(f"Error rendering template: {e}", "error")
            else:
                msg = Markup("Error rendering template: {0}<br><br>OriginalError: {0.__cause__}").format(e)
                flash(msg, "error")
        except Exception as e:
            flash(f"Error rendering template: {e}", "error")
        
        
        
        
        
        task = ti.task.unmap(None)
        renderers = wwwutils.get_attr_renderer()
        for template_field in task.template_fields:
            content = getattr(task, template_field)
            renderer = task.template_fields_renderers.get(template_field, template_field)
            if renderer in renderers:
                html_dict[template_field] = renderers[renderer](content)
            else:
                html_dict[template_field] = Markup("<pre><code>{}</pre></code>").format(pformat(content))
            if isinstance(content, dict):
                if template_field == "op_kwargs":
                    for key, value in content.items():
                        renderer = task.template_fields_renderers.get(key, key)
                        if renderer in renderers:
                            html_dict[".".join([template_field, key])] = renderers[renderer](value)
                        else:
                            html_dict[".".join([template_field, key])] = Markup(