There’s a persistent gap between carry-on bags that photograph beautifully and ones that survive an actual airport sprint. I know because I spent money on the wrong side of that gap — a blush-pink hard shell that cracked on a London–Heathrow overhead bin edge and started wobbling on wheel three by month four. The bags in this list are cute and functional, which is a harder combination to find than it should be. The Real Problem With Fashion-Forward Carry-Ons Cute bags fail in predictable ways. Dimensions are the first trap — fashion brands sometimes design bags to look carry-on sized…