Max shareable marking definitions in groups (for export and public dashboard)

[Jipegien]

Use case

Current situation:

1. We have the ability to define a max marking definition when exporting an entity or a list (one shot)
2. We have the ability to restrict marking definition at the platform level for public dashboards (settings)

What we need:

1. We need to add a settings in the group named "Max shareable marking".
2. We need to remove the marking definition restriction at the platform level

=> Use the new Max shareable in marking in for public dashboards and also to restrict the list of available max marking when exporting.

By default, when the max shareable marking is not set, the default behavior applies, which means all group markings are available for export and public dashboard.

Some screens

In the parameters of a group:

=> Add a new parameter here, "Max shareable marking"

In export:

=> This list should be restricted until the max shareable marking

In public dashboards:

=> This list should be restricted until the max shareable marking

In Security Policies:

=> This settings should be completely removed and not used anymore.