i hope you're right because a GE should be about wider policy. however the circumstances and persons involved are different.
i've just read that Labour want to renegotiate then have a referendum within 6 months. so that means nearly another year of the subject, which im sure will be popular.
i'd be surprised if Johnson doesnt do TV debates. he loves the limelight, a couple of hours in front of millions of people to waffle on, he'll be up for it.