### Apache Airflow version

2.5.0

### What happened

We're currently running a suboptimal setup where database connectivity is laggy, 125ms roundtrip.

This has interesting consequences. For example, `airflow roles list` is really slow. Turns out that it's doing a lot of individual queries.

### What you think should happen instead

Ideally, listing roles should be a single (perhaps complex) query.

### How to reproduce

We're using py-spy to sample program execution:

```bash
$ py-spy record -o spy.svg -i --rate 250 --nonblocking airflow roles list
```
Now, to see the bad behavior, the database should incur significant latency.

### Operating System

Linux

### 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)

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            Font-Awesome icon name for the category, optional.
        :param category_label:
            The label that will be displayed on the menu,
            if absent param name will be used
        :param baseview:
            A BaseView type class instantiated.
        :param cond:
            If a callable, :code:`cond` will be invoked when
            constructing the menu items. If it returns :code:`True`,
            then this link will be a part of the menu. Otherwise, it
            will not be included in the menu items. Defaults to
            :code:`None`, meaning the item will always be present.
        """
        self.menu.add_link(
            name=name,
            href=href,
            icon=icon,
            label=label,
            category=category,
            category_icon=category_icon,
            category_label=category_label,
            baseview=baseview,
            cond=cond,
        )
        if self.app:
            self._add_permissions_menu(name)
            if category:
                self._add_permissions_menu(category)
    def add_separator(self, category, cond=None):