Insurance — Homeowners — Hurricane damage — Appellate court’s prior ruling that insureds failed to comply with post-loss obligations, and that this failure precluded appraisal, became law of the case — Based upon facts and insurance policy, insured’s failure to comply with post-loss obligations relieved insurer of any duties under policy as to supplemental claims sought by insured — Trial court erred by not granting insurer’s motion for directed verdict in suit asserting supplemental claim