lost all item in Energy condenser

[spero33]

Describe the bug A clear and concise description of what the bug is. -> if you click in a Energy condencer MK1/MK2 with middle mouse button(mouse wheel) then all generated items disapears!

To Reproduce Steps to reproduce the behavior:

1. place a enegry condencer
2. add a diamond to the generating slot
3. add som emeralds to generate some diamonds
4. click anywhere in the energy condencer and the "diamonds" you have generated will disapear

Expected behavior A clear and concise description of what you expected to happen. -> sort all the item inside the energy condenser

Screenshots If applicable, add screenshots to help explain your problem. (Use F2 to take a screenshot in-game)

before click with middle mouse button

after clicking

Modpack version ->1.8 Java Version -> Modpack Launcher Used -> Ram Allocated ->8G

Additional context Add any other context about the problem here. ->

[Winkiloves23]

if you try to sort the items inside it the items will disappear its like that with all items generated by it