Ability to view analytics for downloads that don't use an analytics token

[mrmattyboy1]

When analytics tokens are setup for each environment, it is sometimes useful to view analytics for usages that have no used an analytics token.
Could the API and UI be updated with checkbox to enable showing analytics that do not have a token?

[MatthewJohn]

Created gitlab issue: https://gitlab.dockstudios.co.uk/pub/terrareg/-/issues/558
gitlab-issue-id:558