fix(ListFilterForm/ShowingMessage): Fix $OffsetStart, ended up showing 0-9 instead of 1-9 on a list with 9 items per page.
fix(ListFilterForm/ShowingMessage): Fix $OffsetStart, ended up showing 0-9 instead of 1-9 on a list with 9 items per page.

SilbinaryWolf/silverstripe-mrfilter,SilbinaryWolf/silverstripe-mrfilter