Danger Zone demo support

[vanillamilkk]

Crashed when loading danger zone demo

[vanilla@desktop csgoverview]$ ./csgoverview auto0-20210517-222955-1121455112-dz_sirocco.dem
panic: runtime error: index out of range [6] with length 6
goroutine 1 [running, locked to thread]:
main.(*app).drawInfobars(0xc000bd3e28)
        /mnt/Data/program/csgoverview/draw.go:320 +0x74c
main.(*app).updateGraphics(0xc000bd3e28)
        /mnt/Data/program/csgoverview/app.go:527 +0x85
main.(*app).run(0xc000bd3e28, 0xc000f385c0, 0xc000024220)
        /mnt/Data/program/csgoverview/app.go:277 +0x253
main.run(0xc0000934a0, 0x0, 0x0)
        /mnt/Data/program/csgoverview/app.go:213 +0xdb0
main.main()
        /mnt/Data/program/csgoverview/main_linux.go:34 +0x493
[vanilla@desktop csgoverview]$