There are currently problems that cause you to be able to equip multiple items in to the same slots (equipping four shirts simultaneously, for instance…)
I’ve been fixing these problems. I tested the fixes with a random Jedi robe, as you can see in the screenshots below.
Before equipping the Jedi robe:
After equipping the Jedi robe:
As you can see, it should be fixed.
Cheers,
Ziggy