brim and skirt glacial speed

[xvart]

System is ,
Fedora 39
Linux 6.8.11-200.fc39.x86_64 #1 SMP PREEMPT_DYNAMIC
Slic3r 1.3.0

The bug
Really slow printing skirt and brim.

This is the GCODE that causes the issue.

G1 F96.8282
G1 X55.012 Y116.879 E5.29853 ; skirt
G1 X144.988 Y116.879 E15.87530 ; skirt
etc..

G1 F85.5548
G1 X76.499 Y121.334 E8.03622 ; brim
G1 X76.951 Y121.390 E8.09679 ; brim
etc...

Archive.zip

To reproduce, load model -> rotate around X by 90 -> try print.

There is slow then there is this thing, it is ungodly slow..
I have never seen slic3r produce this type of speed.
My fix is replacing all the crazy G1's manually with G1 F900