### What?
Initial values should be set from the server when `acceptValues` is
true.
### Why?
This is needed since we take the values from the server after a
successful form submission.
### How?
Add `initialValue` into `serverPropsToAccept` when `acceptValues` is
true.
Fixes https://github.com/payloadcms/payload/issues/10820
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Co-authored-by: Alessio Gravili <alessio@gravili.de>