fix(grid): Setup columns when autoGenerate is set after the grid data - 21.0.x#16845

mddragnev wants to merge 5 commits into21.0.xIgniteUI/igniteui-angular:21.0.xfrom

mdragnev/fix-16830-21.0.xIgniteUI/igniteui-angular:mdragnev/fix-16830-21.0.xCopy head branch name to clipboard