Bugs fixed and Improvements
Fixed bug in Background Features: Calculated Expression is saved even if Cancel is clicked in field settings dialog
Now configuration is deleted or not saved after cancelling.
Fixed localization issue with Calculated Expressions: date fields not working properly on site with German localization
Previously where errors for dates greater than 12.
"X-RequestDigest" request header now is configurable for HTTP Request action type
Header became optional. For previously configured HTTP request actions was added by default.