Make torchvision.io.read_image{,_async} and torchvision.io.read_async allow subsequent opening of the file for reading#1495

hiyuh wants to merge 2 commits intodotnet:maindotnet/TorchSharp:mainfrom

hacarus:fix-stream-open-readhacarus/TorchSharp:fix-stream-open-readCopy head branch name to clipboard