Workers’ compensation — Jurisdiction — Judge of compensation claims erroneously found that he lacked jurisdiction of claim for temporary partial disability benefits because adjudication of claim would require him to resolve same issue concerning date of maximum medical improvement that was determined in an earlier order that is on appeal — JCC continued to retain jurisdiction over claims to entitlement to benefits becoming due at different times from those addressed in prior order, and current claim seeks entitlement to benefits which allegedly became due at a later time period from that denied in prior order