Core: Floor and ceil in datastorage

[Ishigh1]

What is this fixing or adding?

Currently it's not doable to divide an integer by another without it becoming a float. This PR adds floor and ceil to the list of possible operations to fix that issue.
I thought about adding an operation to change the type, but that would be either vulnerable to code injection or annoying to do for a niche feature

How was this tested?

I just tested if floor and ceil worked as intended

If this makes graphical changes, please attach screenshots.

[ThePhar]

Rather than a floor_div function, why not add generic floor and ceil operations?

Then you do the "div" operation and finish with a floor operation as you pass in a list of operations to do in order. Then it can also be useful for other operations that may have float results but we want to remove the decimal somehow.

[Ishigh1]

That's also an idea, I'm not against it
I added both of them then will remove either the floor/ceil or div depending on feedback (also I reordered the operations to match the doc because it was bothering me)

[ThePhar]

Yeah, if we're going to add floor and ceil, then we can remove floor_div as it can be done with two DataStorageOperation objects. I'll wait and see if another core dev disagrees however.

[Jarno458]

I agree separated floor and ceil operations would be best, just like other operations it can be chained.
and we can remove floor_dev

[Jarno458]

an oddity would be that floor and ceil dont use the operator value, but the same is true for the default operation