Here’s how it would be with just the TIEs shot.
If you’re set on leaving out the Battlefront footage, this is the way to go.
IMO, I think if you leave out the transports landing, but go straight to the interior shot of the stormtroopers disembarking and then charging into battle, it looks good. I also think muting the Battlefront footage would help, if you were to keep it in.