title: Primeng table with row grouping and selection
body: <p>How can I use row grouping and selection on checkbox in table row using primeng.
  I have created one demo for it. while selecting one row, it is impacting other rows as well.
  <a href="https://stackblitz.com/edit/primeng-tablerowgroup-demo-wix4gu?file=src%2Fapp%2Fapp.component.html" rel="nofollow noreferrer">https://stackblitz.com/edit/primeng-tablerowgroup-demo-wix4gu?file=src%2Fapp%2Fapp.component.html</a></p>