Add "Deprecated" field meta tag

Summary


Add a checkbox in directus field edition form to mark it as deprecated.

When deprecated, the field is still viewable/editable in content editor, but user as feedback that the field should not be used (field name is struck, or an icon is present)

Basic Example


_No response_

Motivation


Deprecating the field can be useful when performing long-running migrations, or when we want to support legacy features without hiding them.

Detailed Design


• add deprecated column in directus_field
• update FieldMeta schema
• update app settings module to be able to mark field as deprecated
• update app content module to display deprecated field

Requirements List


Could Have:

• A deprecated reason would be a good addition