owscatterplot: Fix temporary Table creation
owscatterplot: Fix temporary Table creation

Provide an explicit domain instead of allowing it to be guessed from
data (the rules for that changed, and might again someday).

qPCR4vir/orange3,kwikadi/orange3,cheral/orange3,kwikadi/orange3,marinkaz/orange3,qPCR4vir/orange3,marinkaz/orange3,cheral/orange3,marinkaz/orange3,qPCR4vir/orange3,cheral/orange3,kwikadi/orange3,qPCR4vir/orange3,qPCR4vir/orange3,cheral/orange3,marinkaz/orange3,marinkaz/orange3,kwikadi/orange3,marinkaz/orange3,qPCR4vir/orange3,cheral/orange3,kwikadi/orange3,cheral/orange3,kwikadi/orange3