[graph] create request for already existing group exits with status code 500

[kiranparajuli589]

Description

Creating an already existing user exits with HTTP status code 500

< HTTP/1.1 500 Internal Server Error
< Content-Length: 195
< Content-Type: application/json; charset=utf-8
< Date: Tue, 12 Apr 2022 14:08:31 GMT
< X-Graph-Version: f3016d717
< 
{ [195 bytes data]
100   337  100   195  100   142   1048    763 --:--:-- --:--:-- --:--:--  1821
* Connection #0 to host localhost left intact
{
  "error": {
    "code": "generalException",
    "innererror": {
      "date": "2022-04-12T14:08:31Z",
      "request-id": "kiran-OptiPlex-3050/qTdFt9esZ6-000021"
    },
    "message": "LDAP Result Code 68 \"Entry Already Exists\": "
  }
}

[ScharfViktor]

the same behavior with the group.

Expected result: 4xx "Entry Already Exists"

[ScharfViktor]

#5639 same with creating already existing user but disabled user

[2403905]

No longer relevant for v3.0.0-rc.5

 curl -XPOST "https://localhost:9200/graph/v1.0/users" -d'{"onPremisesSamAccountName":"user2","displayName":"user2","mail":"[email protected]","passwordProfile":{"password":"user2"}}' -uadmin:admin -ik
HTTP/1.1 200 OK
Content-Length: 165
Content-Security-Policy: frame-ancestors 'none'
Content-Type: application/json; charset=utf-8
Date: Wed, 07 Jun 2023 09:18:46 GMT
Vary: Origin
X-Content-Type-Options: nosniff
X-Frame-Options: DENY
X-Graph-Version: 3.0.0-rc.5+dev

{"displayName":"user2","id":"5689e7a3-8ce8-499e-9101-9087d4b07c70","mail":"[email protected]","onPremisesSamAccountName":"user2","surname":"user2","userType":"Member"}

 curl -XPOST "https://localhost:9200/graph/v1.0/users" -d'{"onPremisesSamAccountName":"user2","displayName":"user2","mail":"[email protected]","passwordProfile":{"password":"user2"}}' -uadmin:admin -ik
HTTP/1.1 409 Conflict
Content-Length: 191
Content-Security-Policy: frame-ancestors 'none'
Content-Type: application/json; charset=utf-8
Date: Wed, 07 Jun 2023 09:19:29 GMT
Vary: Origin
X-Content-Type-Options: nosniff
X-Frame-Options: DENY
X-Graph-Version: 3.0.0-rc.5+dev

{"error":{"code":"nameAlreadyExists","innererror":{"date":"2023-06-07T09:19:29Z","request-id":"Julias-MacBook-Pro.local/OJWjuwtcVf-000310"},"message":"a user with that name already exists"}}

[2403905]

No longer relevant for v3.0.0-rc.5

[ScharfViktor]

fine for user but still relevant for group. I reopen it because we have failed tests link with issue

[ScharfViktor]

fixed