[Maps] [7.x] Organize layers into subfolders (#65513)#66237

nreese merged 1 commit intoelastic:7.xelastic/kibana:7.xfrom

thomasneirynck:7.x/bf178dece9b0f70f33d1bd3c89eb972318d7ecfbthomasneirynck/kibana:7.x/bf178dece9b0f70f33d1bd3c89eb972318d7ecfbCopy head branch name to clipboard