Select-instance: Få "Select-instance" til å fungere fra arkiv når man opprettter ny kopi.

### Description

I dag fungerer settingen "OnEntry" i applicationmetadata" kun når man forsøker å starte en helt ny tjeneste fra url. Funksjonen bør utvides (muligens via egen setting) slik at den også fungerer når man velger å opprette ny kopi fra en tildligere innsending (arkiv).

### Additional Information

_No response_

Start by tracing how the applicationmetadata setting "OnEntry" is handled when a new service starts from a URL, then follow the archive flow for creating a new copy from a previous submission. Done means the setting also runs for that archive-based copy flow, with any separate setting behavior clarified.

Written by the indexing model from the issue text.