Hello,
i found a solution after downloading twice the game.
It seems that we are unable to locate the game if the files have the suffix "_DiP_Staged".
So i made a python script to remove for every files in sub folder the suffix "_DiP_Staged" in the name.
(you have to execute the python script in battlefield folder)
When every files are all without "_DiP_Staged", you have to cancel/uninstall the game but without deleting battlefield files,
so you have to move the folder to another location (when ea desktop is fully shutdown and ea background service shutdown as well)
and then uninstall the game from ea desktop.
Then you can locate the files of Battlefield by downloading in the existing Battlefield folder.