fix(hierarchical-grid): align selected data with expanded row indexes - 20.1.x#17301

kacheshmarova merged 7 commits into

20.1.xIgniteUI/igniteui-angular:20.1.xfrom

ganastasov/fix-17295-20.1.xIgniteUI/igniteui-angular:ganastasov/fix-17295-20.1.xCopy head branch name to clipboard