Civil procedure — Dismissal — Vacation — Successor judge erred in granting estate’s rule 1.540(a) motion to set aside the dismissal of estate’s tobacco-related litigation — Earlier order denying estate’s first motion to set aside dismissal and finding that estate was not entitled to relief from that dismissal based on service errors became law of the case when order was per curiam affirmed by appellate court — Even if successor judge could revisit issue, successor judge erred in interpreting dismissal order, which was entered after estate failed to pay transfer fee within 30 days of order transferring venue, as dismissing only the transfer of the case to another county and not as an order dismissing the entire action — Finally, rule 1.540(a) permits trial court to correct clerical mistakes arising from oversight or omission and is not basis for reversing the outcome of the original dismissal order