Create 1280 X 720 preview

Please create a 1280X720 preview. This is for Alex.

changed milestone to %5.9 (Fall 2020)

added priority:required project:sandia labels

@cory.quammen @utkarsh.ayachit How hard - and safe - would this be for 5.8.1?

easy enough.

changed milestone to %5.8.1

assigned to @vbolea

+1 from LANL, will add LANL tag as well

added project:lanl label

mentioned in merge request !4112 (merged)

closed via merge request !4112 (merged)

added workflow:needs-verification label

removed workflow:needs-verification label

Verified that 1280x720 is now a preview option. Removing needs-verification

Verified in both Master and Release branches

Thanks John.