when dropping items they dont go in the correct spots in inventory

while i was playing i was dropping items and when i check my inventory the 1st through the 5th slot stays empty while the rest gets filled

Steps to Reproduce:
1. drop item directly at your feet
2. when you start seeing items not drop continue for a few more items
3. check inventory

Observed Results:{*}{*}

the correct slots wont have the correct items in them

Expected Results:

all the spots in order will have the items in them