mod_compat_roles: Fix attempt to index a nil value #1847 permissions[] is not a map with role names as keys since 817bc9873fc2 but instead a level with host names were added. This was likely an oversight. Refactored towards railroad.

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-- this module is deprecated, log an error and load the superseding module instead

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module:depends"smacks"

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module:log("error", "mod_smacks_offline is deprecated! Just use mod_smacks!");