Convert login by id into login by email.

rest-client-collection/Codiki/Users/Login as standard user.bru

@@ -12,7 +12,7 @@ post {
 
 body:json {
   {
-    "id": "5ad462b8-8f9e-4a26-bb86-c74fef5d11b6",
+    "email": "standard.user@codiki.org",
     "password": "password"
   }
 }