update submissionDate parameter 
update submissionDate parameter 

This minor commit updates the explorer search database function to allow for comparisons between ds.recdatecreated and _subdate. This commit resolves explorer issue 45: https://github.com/NeotomaDB/Explorer/issues/45#issue-783551829.
NeotomaDB/Neotoma_SQL,NeotomaDB/Neotoma_SQL,NeotomaDB/Neotoma_SQL