Whilst those are valid points, there is no reason why you couldn't show two crew members working in the background repairing a damaged section of coridoor whilst our principals walk past.
Or over the course of 2-3 episodes the exterior damage being repaired.
and even with replicators, you might need an industrial sized replicator to replicate large sections of hull plating and DSN inferred that these weren't easy to get a hold off.