HCK-10649: change adapter approach to preserve varchar length as 21844 instead of 255#45

Vitalii4as merged 1 commit intodevelophackolade/MySQL:developfrom

HCK-10649-maria-db-my-sql-regression-varchar-with-max-length-re-from-pdm-with-the-max-length-of-charhackolade/MySQL:HCK-10649-maria-db-my-sql-regression-varchar-with-max-length-re-from-pdm-with-the-max-length-of-charCopy head branch name to clipboard