HPCC-9935 Add SourceFormat to ESP FileSpray/SprayFixed request

In new ECLWatch UI, the SprayFixed Input page may add a Source
Format selection which contains: fixed, recfmv, recfmvb, and
variable. The FileSpray/SprayFixed should read the selection and
forward the selection to DFU workunit.

Signed-off-by: Kevin Wang <kevin.wang@lexisnexis.com>
HPCC-9935 Add version number to new request item

Increase the version number of ESP/FileSpray service and add the version
number to new request item.
Merge pull request #4803 from wangkx/h9850

HPCC-9935 Add SourceFormat to ESP FileSpray/SprayFixed request

Reviewed-By: Anthony Fishbeck <anthony.fishbeck@lexisnexis.com>
Reviewed-By: Attila Vamos <attila.vamos@lexisnexis.com>
Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>