DDC-3434 - removed unneeded escaping sequences
DDC-3434 - adding test case for `HIDDEN` modifier fields in `ORDER BY` sequences: should be preserved in any case
DDC-3434 - `HIDDEN` modifier marked fields in `ORDER BY` clause are always preserved when creating a paginator subquery
DDC-3434 - adding note on why restoring 'HIDDEN' selected fields is relevant
Merge pull request #1211 from Ocramius/hotfix/DDC-3434-paginator-ignores-hidden-fields-in-order-by-query

DDC-3434 - paginator ignores `HIDDEN` fields in `ORDER BY` query