Sort:Mod sorts by mod name just OK, but after that... random?
First goes appliedenergistics2:quartz_ore

Then appliedenergistics2:sky_stone_chest

And after that appliedenergistics2:charged_quartz_ore

Should it be subsort by name or sort by id, it's up to you. But I wish it make sense!

Version:
Minecraft: 1.16.3
Forge: 34.1.42
Mekanism: 10.0.15.441
OptiFine: HD U G5

Also, could you please make item count font 1 step smaller, so there wouldn't be things like

GUI Scale: 4
Resolution: 3700x2126 (Windowed)