Expands columns to data when ChemData starts
Expands columns to data when ChemData starts

This calls the resizeColumnsToContents() method on the main
table after the initial database connection is established
when ChemData starts.

Change-Id: I4b7a4e6bafc2240dfc1a586662fe904ac0e3939c

OpenChemistry/mongochem,OpenChemistry/mongochem,OpenChemistry/mongochem