HCK-10529: updated adapter to properly handle hasMaxLength on char#43

Vitalii4as merged 3 commits intodevelophackolade/MySQL:developfrom

HCK-10529-maria-db-my-sql-char-datatype-with-max-length-incorrect-derived-converted-from-to-polyhackolade/MySQL:HCK-10529-maria-db-my-sql-char-datatype-with-max-length-incorrect-derived-converted-from-to-polyCopy head branch name to clipboard