Incorrect Request URL with Form Key on the product import.

[maksymhopei]

Steps to reproduce

1. Install Magento from develop branch.
2. Go to Admin Panel
3. Go to System -> Import.
4. Select "Products" in Entity Type field.
5. Set: Import Behavior: "Add/Update", select valid file to import.
6. Click "Check Data", wait for validation to complete.
7. Click "Import".

Expected result

1. The request is sent to http://obo-demo.testing.cgi-labs.de/admin/admin/import/start/key/[some-key]/?form_key=[form-key] OR
2. The request URL doesn't contain form key as form key is present in the POST payload.

Actual result

1. Request URL is: http://obo-demo.testing.cgi-labs.de/admin/admin/import/start/key/[some_key]/&form_key=[form-key] (note the "&" instead of "?"). Form key is also in the payload.

[shiftedreality]

Hi @radio

Thank you for your submission.
We've created internal ticket MAGETWO-58250 to fix this issue.