Test connection error when going to source editor via direct link

[taletski]

Description

A short description of the bug and its impact

Steps to reproduce

Steps to reproduce the behavior:

• Go to source editor dialog via direct link, e.g. https://cloud.jitsu.com/sources/edit/jitsu_hubspot
• Hit Test Connection button

Expected behavior

Source config should be sent to the test connection endpoint

Actual behavior

Empty config is sent