Ignore or handle internal active record metadata

[mrtnin]

When restoring a production database we also include the table ar_internal_metadata. We should either ignore it by default, or overwrite the value to current environment.

select * from ar_internal_metadata;
     key     |   value    |         created_at         |         updated_at
-------------+------------+----------------------------+----------------------------
 environment | production | 2021-09-25 23:25:47.180765 | 2021-09-25 23:25:47.180765
(1 row)