audrasjb 70f9851fda Administration: Add labels to read-only form fields.
This changeset improves admin forms accessibility by adding labels to the following read-only form fields:

- Network setup screen: new visible label to the four textareas for code users need to paste into their wp-config file and the server configuration file (web.config or .htaccess).
- `setup-config.php`: new visible label to one textarea for code to include in the `wp-config` file manually.
- Admin toolbar: adds an `arial-label` attribute to the old "shortlink" feature (not used anymore but still activable by plugins).

Props sabernhardt, audrasjb, ryokuhi, joedolson.
Fixes #54302.

Built from https://develop.svn.wordpress.org/trunk@53745


git-svn-id: http://core.svn.wordpress.org/trunk@53304 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2022-07-21 09:04:14 +00:00
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