given dropbox UI has no folders or files in it
when I create a subfolder
and add file1 to the subfolder
and add file2 to the subfolder
and note the ids for the new subfolder and two new files
and when I delete the subfolder
and when I restore file1
then the restored subfolder id is different than the originally added one in step 2
and the restored file1 id is different than the originally added one in step 3
why is this? it seems like an entity's id (primary key for folder or file) should always stay the same whether it is deleted, restored or whatever.