Gen Z is getting roasted online for this job interview habit: showing up with an iced coffee. Some recruiters and etiquette experts warn that walking in with a drink can come across as too casual, or even make the interview look like just another stop on your schedule. But job seekers are pushing back, arguing that showing up on time with coffee has nothing to do with professionalism. One recruiter even says it could signal good time management. The bigger issue may be perception. Etiquette expert Diane Gottsman says what seems perfectly fine to one interviewer could rub another the wrong way, so candidates may want to "err on the side of caution." And it’s not just coffee. See the other seemingly harmless habits experts say could affect that crucial first impression: foxnews.com/food-drink/bring…