[!!!][TASK] Rework shortcut PHP API functionality

To be able to introduce URL rewrites for the backend,
the internal handling and registration of the shortcut
PHP API is reworked.

The Shortcut PHP API previously has the full URL of
the shortcut target stored in the database. This lead
to many problems such as shortcuts got invalid as soon
as their target module changed its route path. Furthermore,
this required unnecessary functionality like replacing
tokens on URL creation.

Therefore, a shortcut record now stores only the route
identifier of the module to link to and necessary arguments
in two new database columns. A upgrade wizard is in place
to migrate existing data.

The rework also required to deprecate some methods in
the ShortcutButton API and a parameter signature change
of the JavaScript function `TYPO3.ShortcutMenu.createShortcut()`
which performs the AJAX call to create new shortcuts.

Side effect, this also deprecated the last remains of
xMOD_alt_doc.php in the core.

Resolves: #93093
Releas...