EDSC-111: Fix issues where selections are lost when moving between configured datasets.  Avoid showing '0 bytes' granule sizes.
EDSC-111: Fix issues where selections are lost when moving between configured datasets.  Avoid showing '0 bytes' granule sizes.

bilts/earthdata-search,bilts/earthdata-search,mightynimble/earthdata-search,bilts/earthdata-search,mightynimble/earthdata-search,mightynimble/earthdata-search,bilts/earthdata-search,mightynimble/earthdata-search