Modpack version:
2.4.0

Describe the request:
Add recipes to craft Sheetmetal Slabs back into their respective blocks

Reasons why this should be added:
It makes sense.

Describe alternatives you've considered:
Make recipes to be at least able to smelt them in a smeltery for one ingot (since you can also melt the sheet metal for two ingots)

Added Sheetmetal Slabs to Sheetmetal recipes in 2.5.0: https://www.curseforge.com/minecraft/modpacks/divine-journey-2/files/3472385