By David Raven Gen Z Brits are creating “dinner sandwiches” – with NINE in ten having put classic evening meals such as fish fingers (58 percent), chicken Kiev (18 percent) and steak and chips (17 percent) into a sarnie. According to new findings, 78 percent of young Britons say they were first introduced to the idea of a tea-time sarnie after spotting other people doing it on social media. Almost half (48 percent) of modern Brits have even taken a photo of their dinner sandwich and uploaded it to Instagram or TikTok, with one in five (20 percent) 18-29 year olds confessing they snap their sar…