Reset publish state for all element after creating a new repository with the import feature

[bubafinder]

I'm submitting a...

• Bug report
• Regression (a behavior that used to work and stopped working in a new release)
• Feature request
• Documentation issue or request

Context

Reset publish state for all element after creating a new repository with the import feature

In this screenshot, you can see that this element has a published state right after the repository is imported.

[bubafinder]

Because PR is already opened (#946) and linked to the #940 (clone of this issue) this one will be closed