PATCH `/v1.0/drives/{drive-id}` accepts `empty name`

[Ashim-Stha]

Description

PATCH requests to /v1.0/drives/{drive-id} allow sending {"name":""}. The server responds with 200 OK and returns the drive object, but the name is not actually updated.

This is inconsistent with POST /v1.0/drives, which correctly returns 400 Bad Request for an empty name.

Steps to reproduce

curl 'https://ocis-server/graph/v1.0/drives/<drive-id>' \
  -X PATCH \
  -H 'Content-Type: application/json' \
  --data-raw '{"name":""}' \
  --insecure

Expected behavior

• HTTP 400 Bad Request
• Error message: invalidRequest - invalid spacename: spacename must not be empty

Actual behavior

• HTTP 200 OK
• Drive object returned with original name still intact