Ny i Danmark

When specifying accessible names via `aria-labelledby`, ensure that the 
label elements exist.

## Explanation

Accessible names are required for many parts of a page, including form controls.
One way to accomplish this is to use `aria-labelledby` to specify the ID or IDs of 
other elements which contain a label. For example:

```html
<h2 id="dialog-labell">Important message!</h2>
<dialog aria-labelledby="dialog-label">
```

In this example, the `aria-labelledby` for the `<dialog>` points to an ID of `dialog-label`,
which doesn't exist. The heading it refers to instead has an ID of `dialog-labell`, presumably 
a typo.

## Why this matters

It isn't usually clear when an accessible name is broken, even during user testing.

This check helps to identify where an element clearly intended to have a label, but
that label is missing.

When a label is broken, it may be impossible for a user of assistive technologies
to understand what that element does.

Title / URL	Issues
Ny i Danmarkwww.nyidanmark.dk/da/Du-vil-forl%C3%A6nge	2
Ny i Danmarkwww.nyidanmark.dk/da/Nyheder/2025/11/Opholdskort-til-briter-udloeber-snart	2
Ny i Danmarkwww.nyidanmark.dk/da/Tal-og-statistik	2
Ny i Danmarkwww.nyidanmark.dk/da/Om-nyidanmark/Cookies	2
Ny i Danmarkwww.nyidanmark.dk/da/Nyheder/2025/11/SIRIs-callcenter-lukket-5-december	2
Ny i Danmarkwww.nyidanmark.dk/da/Arbejdsgivere-og-uddannelsessteder	2
Ny i Danmarkwww.nyidanmark.dk/da/Ord-og-begreber	2
Ny i Danmarkwww.nyidanmark.dk/	2
Ny i Danmarkwww.nyidanmark.dk/~/link.aspx?_id=C501EEE92F444455A00EA3859073690C&_z=z	2
Ny i Danmarkwww.nyidanmark.dk/da/For-samarbejdspartnere	2

Fix missing ARIA label IDs

Udlændingestyrelsen

Where this issue has occurred