Feature: Having the same item in different groups

[TheArturthur]

Is your feature request related to a problem? Please describe.
Currently, if I want the same item in, for example, a public wishlist (registry group) and a group with other users, I have to duplicate the item. This could lead to errors if someone claims an item in the public list, as it will not be reflected in the other groups.

Describe the solution you'd like
An option selection in the item to add it to the groups it should belong to.
When claiming an item, it should be reflected in all groups.
The owner should be able to edit the groups the item appears in after creation.

Describe alternatives you've considered
It could have an "all" option, so that when the user is added to new groups (or new groups are created), the item is shown in those new groups automatically.

[Outclass0026]

This is the only think I miss from the app and it would be really neat to have it!
I would also like to suggest one more thing: the possibility to show suggested items in a registry list.

Here is my usecase:
User1 is member of the Family group and also create a registry list for public sharing.
The items created by the user are shared between both lists.
Then another registered user (User2) from the Family group suggest an item for User 1 and make it publicly visible trough the registry list.

So the creator of the registry list should have an option to allow suggested items made by others from others groups.
He should be able to choose the groups for this configuration, this is needed to avoir suggested item from a more confidential list between two user for example.

And already thanks you for the good work!