You have to take into consideration that using browsers other than Tor Brower makes you Pseudonymous rather than anonymous. So you’re already at at disadvantage.
https://whonix.org//wiki/Tor_Browser#Anonymity_vs_Pseudonymity
This might be a good question for tor-talk mailing list? But maybe not since you’re not using Tor Browser.
Topic related?
https://forums.whonix.org/t/how-to-hide-qubes-kernel-name-from-browser/4476