try to construct history json from none

[sliu008]

https://harmony.earthdata.nasa.gov/logs/98dc2af9-940e-4a7e-b320-a678a9ce8c4e/108691980

Looks like history json is being constructed with a none input although not sure how none gets inputed into this with input files and granule urls.

[tloubrieu-jpl]

Has been merged into develop branch.