Rework subscriptions and search settings to cover all edge cases in simpleNav Mode
- If cardsets are disabled: Redirect to reps
- If reps are are disabled: Redirect to cardsets
- If both are enabled: Use the cardset route
Always make sure that the search results match with what's being visible in the filter results.
This is required so that we can hide normal cardsets in Linux cards. The hotfix from earlier today made these visible again for both students and guests in the filter result view.