MemCS Run-End Encoded Layout support by insert_arrow #5492
Description
Product: Tarantool EE
Since: 3.6
MemCS now supports insertion of columns in Run-End encoded layout,
except for columns that participate in index keys.
Requested by @pianoyeg94 in https://github.com/tarantool/tarantool-ee/commit/cd603caa6d1edceb99e0bda1a5d325f44a01e7a0.