Posts, Post Types: Pass the post object to the `before_delete_post`,...

Posts, Post Types: Pass the post object to the `before_delete_post`, `delete_post`, `deleted_post`, and `after_delete_post` actions.

Props jadpm.
Fixes #30940.
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git-svn-id: https://core.svn.wordpress.org/trunk@47357 1a063a9b-81f0-0310-95a4-ce76da25c4cd