UTF8-encode passwords when creating accounts, changing passwords, and when authenticating. Detect old low-byte only passwords on the server and reupload them as UTF8.
Inline various _init calls and do super's init with <Super>.call(this, args..). Add various get/set sugar to those missing e.g., meta.keyring. Also simplify crypto record creation by setting cleartext in the parent.
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extra : rebase_source : 6c9a9f210f8f46ac338adb84188538e7353c9673
