Gleb Kashkin

passed full-ci

> > passed full-ci > > Em, but I see no results of it (even within the green tick for the latest commit in the PR)... That's on github, it...

There was a problem with `DYLD_` lib injection for the test and I fixed the problem that requires the injection. So this patch requires #7357 now.

I've discussed the subject with @igormunkin and we discovered that current serializer uses `lua_next()` to iterate on fields instead of `pairs()`, thus we would have to rewrite the serializer to...

> "Approved by timeout" - what does it even mean? How does it correlate with the [product task](https://www.notion.so/tarantool/Backward-compatibility-support-4f1c4f5a47144660b7803798dd521991)? We had an agreement with Mons and @igormunkin, that review is marked...

Yet another time refactored `compat.lua`.

1) We agreed to have `local_eos`.

2. We agreed to have `\set output lua,local_eos=.`.

3. We agreed not to rewrite the parsing for `\set output lua` logic.

Tests are not fixed, yet.