fix(compiler): respect order of ops in FloorDivide

[NickCrews]

Consider ibis.literal(6) // (1 / ibis.literal(2)).

Before, this compiled to 6 / 1 / 2 -> 3, when we really want 6 / (1 / 2) -> 12.

This fixes that.

Found in NickCrews/mismo#74

[cpcloud]

Thanks!

[NickCrews]

Uhhhh it is VERY annoying to get these very opaque flink errors and then not be able to run flink locally to debug. @cpcloud any idea what the problem here is?

[cpcloud]

Ultimately the error isn't opaque in this case:

https://github.com/ibis-project/ibis/actions/runs/11470981543/job/31921152707?pr=10353#step:16:256

It is possible to run the Flink backend, but it's a bit of a slog to get it working due to their Python API requiring an ancient version of arrow.

[NickCrews]

Ah, thanks, I didn't see that buried in the rest of the stacktrace. I will look harder next time.

I wonder if this is pointing to that 1/2 in flink performs integer division and results in 0. I made my test case be immune to this, and added a tiny separate test case to check if my hunch is true. If so, then I can open a separate PR that adds that test, marked as xfail on flink.

[NickCrews]

int division test filed at #10359