Update Init User code

[DiroM1693]

func InitUser(c *fiber.Ctx) error {
	uid := c.Locals(UID).(string)
	user, err := models.PrivateUserByUid(uid)
	if errors.Is(err, sql.ErrNoRows) {
		return registerUser(c)
	}

	if err != nil {
		return err
	}

	user.ConvertUser()

	c.Locals(CurrentUser, user)
	return c.Next()
}