💥 Deletion of Content Model, including its Folders and Entries

[m0nikaza]

This feature empowers users to permanently delete a content model and all its associated data directly from the Models menu.
This will allow admins to quickly and easily:
• Remove unused or deprecated content models.
• Ensure that all associated entries, references, and lifecycle events are handled properly.

Previously we would only allow the deletion of a content model through the UI if the model doesn't contain any entries.

We have wrapped up this functionality with a few warning messages to ensure users don't delete something by mistake because this action is irreversible.