Issue #3463443: Enable Drupal style "sticky" table headers no longer works

Alberto Padernorequested to merge
cherry-pick-516e868a into 2.0.x

(cherry picked from commit 516e868a)

9accbec7 Issue #3463443: Enable Drupal style 'sticky' table headers no longer works.

Co-authored-by: Sandip Poddar 70638-sandip_poddar@users.noreply.drupalcode.org

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