[API] Status code 500 in response instead of 404 when entering invalid user id

[AnnaMalibu]

**Environment: **Linux Arch,
Google Chrome 120.0.6099.71 (64-bit);
Postman 2023 (v10.20).
Reproducible: Always;
Build found: DEV;
back:7dd7;
front:d5b9;
04.01.2024

Preconditions
Postman is opened and the token(admin) is gotten.

Steps to reproduce

1. Create PATCH request to 'http://speak-ukrainian.eastus2.cloudapp.azure.com/dev' using endpoint: /api/club/change-owner/{id};

Body:

{"user":{"id":50}}

Note: user id can be changed to another invalid value

Actual result
Status code 500 in response, "Internal server error'.

Expected result
Status code 404, the message "User not found by id:{...}"

User story #208