minor #4536 Do not access primary key on new form (core23)
minor #4536 Do not access primary key on new form (core23)

This PR was merged into the 3.0.x-dev branch.

Discussion
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Do not access primary key on new form

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When creating a new entity using the `new` action, there should be no call to the primary key.

Commits
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df427a1a Do not access primary key on new form

javiereguiluz/EasyAdminBundle,javiereguiluz/EasyAdminBundle