Fix FieldConvert processing of partitions in serial
This MR makes two changes related to using FieldConvert on individual partitions in serial:
- Fix the call to PartitionMesh inside OutputInfo. This was previously using
PartitionMesh(false)
, when the first parameter should be the number of partitions. - Force FieldConvert to use the
forceoutput
option when usingprocid
. If this was not done, wheneverprocid != 0
the output would be automatically skipped.