danielbachhuber 5cf84bd3f7 REST API: Avoid using 'parent' as path argument name for autosaves.
When 'parent' is set as the path argument name, it gets passed down through to the `create_item()` method and can erroneously reset the 'parent' value on the post itself. Instead, we rename the argument to 'id' and replicate the revision controller's `get_items_permissions_check()` to instead reference 'id'.

Also ensures revision query params (of which there are many) aren't exposed as the query params for autosaves (of which there are two).

Props TimothyBlynJacobs.
See #43316.

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2018-11-15 12:57:51 +00:00
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