CSP default-src not used as fallback

Hi,

After the upgrade to version 12, we noticed more options in the CSP page besides the default-src only before. According to the documentation on https://support.sugarcrm.com/Documentation/Sugar_Versions/12.0/Ent/Administration_Guide/System/#Content_Security_Policy_Settings, values defined in default-src will be applied to connect-src if that field is empty:

However, when default-src field is configured with the right values and connect-src field is blank, I still get an error while doing calls to our application.

Is there something that can be done to get this to work only using the default-src field? Is it a known issue maybe?

Thanks in advance!

Best regards,

Steven.