message: Add tooltip strings for backup buttons
diff: "INFO_FULL_CHALLENGE_MODE": "Complete the remaining tutorial challenges to unveil all {{num}} challenges and unlock the advanced Score Board filters!",
  "INFO_NEXT_TUTORIAL_TIER": "Complete the {{tier}} tutorial challenges to unveil the next difficulty tier!",
  "SHOW_COMMENT": "Show Comment",
  - "INFO_VULNERABILITY_MITIGATION_LINK": "Click to learn how to avoid or mitigate similar vulnerabilities!"
  + "INFO_VULNERABILITY_MITIGATION_LINK": "Click to learn how to avoid or mitigate similar vulnerabilities!",
  + "SAVE_BACKUP_TOOLTIP": "Save challenge progress and application settings to file.",
  + "RESTORE_BACKUP_TOOLTIP": "Restore challenge progress and application settings from file."
  }
  