[Bug]: Fluid Drawers waste fluid on adding 2nd upgrade by Shift+click in inventory

[xtended2l]

Possible Fixes

Yes

Modpack Version

1.18

What happened?

Fluid Drawers from Functional Storage reset(wastes) fluid on adding second upgrade by Shift+click in inventory to drawer's base value.
i.e.:
If you have one upgrade installed and added more fluid, for an instance 33 buckets, then if you add second upgrade:
1x1 Fluid Drawer resets to 32 buckets
1x2 Fluid Drawer resets to 16 buckets
2x2 Fluid Drawer resets to 8 buckets

Important! It only happens when you add upgrade by Shift+click on upgrade item in inventory. It works as expected if you add upgrade by right clicking on the block, or if you just add upgrade by moving it to upgrade slot with cursor.

latest.log

No response

Developer reports

No response