Aspect of the spider affix + Vaal Blade Vortex interaction

Reference number: 3,776,903,201

Uploaded a video to make it easier to understand, the jist of it is that I have a weapon with Aspect of the Spider craft on it, and in that weapon I'm using Vaal Blade vortex. This is creating a second Blade Vortex in my list of skills (or third, if you want to count Vaal Blade vortex). This second Blade Vortex shows up as using one less support than the other Blade Vortex, and it just disappears from the hotbar after using it.

https://youtu.be/TmusHtAExUM