I’ve graduated my baby to a toddler table and chair, definitely helped
I found pushing my little one's highchair up to the table instead of using the table attachment really helped. As for the pram I don't have enough details, when my little one cries in the pram it's because she wants to walk or she wants a snack
My LO screams in the pram now and it's because she wants to walk...but only wherever she wants without accepting any directions, so getting anywhere is loads of fun at the moment 😂 For the eating, I've heard around 18 months they can get very fussy and become very picky, so she might have that, just a bit earlier. As Izzie mentioned, I'd keep offering consistently and try have her in family meals.
For the eating, I'd just keep offering it to her. If you don't already, eat at the same time / together. Hopefully it's just a phase and pass soon