Issue #1870006 by nod_, BarisW, alwaysworking, Renrhaf, pk188, andrewmacpherson, ranjith_kumar_k_u, vikashsoni, Gauravmahlawat, wolffereast, Wim Leers, jessebeach, xjm: HTML5 validation with table sticky header is misaligned over the toolbar (cherry picked from commit 9ec511c8)