Remove redundant user fetching from login

src/api/identity.rs

@@ -147,7 +147,6 @@ fn _password_login(data: ConnectData, conn: DbConn, ip: &ClientIp) -> JsonResult
     }
 
     // Common
-    let user = User::find_by_uuid(&device.user_uuid, &conn).unwrap();
     let orgs = UserOrganization::find_by_user(&user.uuid, &conn);
 
     let (access_token, expires_in) = device.refresh_tokens(&user, orgs);