Created by/Last updated by not set updating Datetime when save-mode is "Insert if not exists[, or update]"

[jakob1379]

Describe the bug

The reference automatic references from "created by" "updated by" are not set when the field to be updated is a Datetime field. It works with other types.

Version

v0.21.0-alpha.10

How To Reproduce

1. Create an empty model and manually create the "Created by" and "Created at" fields, make sure they are not registered as system fields.
2. Create a submission form with "Insert if exists, or update" save-mode enabled and set the dependent fields on "created by" and "created at"
3. Create an entry

Expected behavior

"Created by" should be set and work as expected, even if it is not a system field

Screenshots

Desktop (please complete the following information)

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~                                                                                         
❯ firefox --version
Mozilla Firefox 124.0.2

[hongboji]

The "Created by" and "Created at" fields are automatically processed by the system, it is not recommended to use the save mode in this way, it can be used in the appropriate places, for example, when the name is duplicated, the data will be updated.

[jakob1379]

One thing is that it is not recommended, what I would love to know is why it seems to mainly be an issue if I have another "Datetime" field that is updated.