5. Enforcement of decrees or orders made heretofore by Supreme or High Court.- Any decree or order of the late Supreme Court of Judicature at Calcutta, Madras or Bombay sitting on the ecclesiastical side, or of any of the said High Courts sitting in the exercise of their matrimonial jurisdiction, respectively, in any cause or matter matrimonial, may be enforced and dealt with by the said High Courts, respectively, as herein after mentioned, in like manner as if such decree or order had been originally made under this Act by the Court so enforcing or dealing with the same.