Samsung Cloud to One Drive redated 4 years worth of photos to date of transfer

I've finally done the gallery storage switch from samsung cloud to one drive, as this has been on my samsung notifications for weeks now due to the Samsung-one drive collaboration. I let the files move to one drive by following the usual procedure. Sadly I look at one drive in the evening and find 4 years worth of photos with dates all changed to today. I'm sure anyone with more than 10 photos on their phone can see why this is incredibly inconvenient. I see plenty of questions around on this subject and no solution- in fact, even a refusal to acknowledge this is a one drive issue. The photos