18. Atty. Cassandra, a solo legal practitioner, hired Sandro as a legal researcher. Atty. Cassandra has an appeal brief due on September 25, 2024. However, Atty. Cassandra contracted monkeypox and suffered high fever, severe headache, and muscle fatigue. Atty. Cassandra then instructed Sandro to finish the appeal brief, affix her signature, and file the pleading with the Court of Appeals. Did Atty. Cassandra violate any provision of the Code of Professional Responsibility and Accountability? Explain.