feat(grid-cell): enhance keyboard activation handling and notify grid changes - 20.1.x#16928

dkamburov merged 5 commits into20.1.xIgniteUI/igniteui-angular:20.1.xfrom

iminchev/elements-cell-activation-20.1.xIgniteUI/igniteui-angular:iminchev/elements-cell-activation-20.1.xCopy head branch name to clipboard