Upload cp instead of mv #3265

Describe the bug

When uplaoding with tus it creates a temp uplaod file which is expected, but when done it copy the full file instead of just move.
This also writes double to storage which increase wear.

Steps to reproduce

1. Upload Huge file and look at disk usage/stats

Expected behavior

Check if its the the same FS and then just mv instead of cp

Actual behavior

Setup

Please describe how you started the server and provide a list of relevant environment variables or configuration files.

image: opencloudeu/opencloud:7.2.3
hostPath:
  path: /mnt/cephfs/k8s/opencloud
  type: Directory

Additional context

Add any other context about the problem here.