Flagship smartphones are becoming more homogenous with every passing year, but Honor’s latest special edition device, the Porsche Design Honor Magic 7 RSR, stands out like a neon-colored sports car in a public library parking lot. The third collaboration between Honor and the German design studio after last year’s Magic 6 RSR and the foldable Magic V2 RSR, the Magic 7 RSR is essentially a souped-up version of the Honor Magic 7 Pro, which we described in our review as “an outstanding phone that impresses in almost every area.” Not content to rest on its laurels, Honor has worked with…