CORE-5386 Minor conversion cleanup.
CORE-5386 Renamed or dropped obsolete tables.
CORE-5386 Renamed remaining obsolete columns.
CORE-5386 Added default UUIDs to id columns.
CORE-5386 Updated parameter_values.display_order

Renamed the parameter_values.param_order column to display_order and made it NOT NULL.
Updated the TreeSelection conversion to preserve the order parsed from the old JSON values.
Fixed this conversion to force-run the map calls, and to generate new UUIDs since some duplicates were present in the old JSON.