Course creation: validation errors return to student role instead of 403 error

[plushkinaaa]

Steps to reproduce

1. Authorize by student role
2. Send post request http://qa-school-test.quantori.academy/api/v1/courses without body

Actual behavior

{
    "errors": [
        {
            "msg": "Please send required fields: title",
            "param": "title",
            "location": "body"
        },
        {
            "msg": "Parameter should be a string",
            "param": "title",
            "location": "body"
        },
        {
            "msg": "Minimum category length is: 3",
            "param": "title",
            "location": "body"
        },
        {
            "msg": "Only RU/EN alphabet, space and digits allowed, please change your request",
            "param": "title",
            "location": "body"
        },
        {
            "msg": "You are not allowed to use spaces only",
            "param": "title",
            "location": "body"
        }
    ]
}

Expected behavior

{
    "errors": "This action is forbidden for role student"
}

[viraxslot]

Same reason as here #41
I'd close this issue.