Fix bug with grouped cells being rendered due to cache not getting recalculated after rows count is changed
Fix bug with grouped cells being rendered due to cache not getting recalculated after rows count is changed

EvNaverniouk/doby-grid,globexdesigns/doby-grid,globexdesigns/doby-grid,RobertoMalatesta/doby-grid,RobertoMalatesta/doby-grid,EvNaverniouk/doby-grid