BUG: inspected element is not handled with devtools in a separate window

[agoborova]

Steps to reproduce:

1. Launch Chrome browser.
2. Open Developer tools (press Ctrl+Shift+I; Or press F12 key) in a separate window of the browser
3. Open “Elements” tab.
4. Open "CRISP" sub-tab on the same level with the "Styles" sub-tab.
5. Open any web page with form application: i.e. ttps://exadel.com/contact-us/
6. Click [+] icon in the right top menu of the CRISP to open page 'Add element'
7. Click 'Select element to inspect' and select any field in the form

Actual behaviour:
The fields "ID", "CSS" and "xPath" are empty.

Expected behaviour:
The fields "ID", "CSS" and "xPath" should be populated with related values of the selected element.