I believe you need to convert the cookies to the format that BAS understands, and then import them into BAS using a standard method.
Take a look:
https://chromedevtools.github.io/devtools-protocol/tot/Network/#type-Cookie
I see the option for delete cache but I don't see delete cookies..
@spockthe40oz
loadCookies = ""
@spockthe40oz Use reset 
@spockthe40oz After reset, download the same site.

@spockthe40oz load cookies with empty value