backport multiple fixes

Backport from master these bug fixes:

• QtQuick: fix recursive render regression !10892 (merged)
• Kokkos: fix relocatable device code error !10853 (merged)
• Ensight: reader: use double precision !10900 (merged)
• DecimatePro: fix crash !10896 (merged)
• QVTKRenderWindow: remove dead code !10922 (merged)
• AMRFlashReader: fix missing set of max-level !10832 (merged)

backport: release