Settings UI: provide UI element to separate active features from inactive ones

> It might be nice if a feature is ‘on’ but has no toggle to include a green checkmark gridicon or something to make me feel good about it being active:
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> the stats settings card feels lackluster, like it’s on, but doesn’t show me that it’s on. Then I revisited the security tab and I see a few similar issues there:
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> We have the ‘active’ compact notice for backups in the same place that the save button normally goes. Then we have anti-spam is active, no toggle, no compact notice, just a save button.
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> What if we opt for the ‘green checkmark’ in place of the toggle for all active/secure/on toggle-free cards and reserve that top right spot for save buttons?

Start by reviewing the Settings UI cards shown in the issue, especially Stats, Security, backups, and anti-spam. No files, tests, or implementation entry points are named, so first identify where these cards are rendered and how their active states are represented. Done means the agreed active, toggle-free cards consistently show a clear active indicator while preserving the save-button area.

Written by the indexing model from the issue text.