A link to the action that defines appearance of report tables generated by this action.
property ActionInsertTable: TrvrActionInsertTable;
If this property is not defined, this action searches for the first TrvrActionInsertTable action on the same form/datamodule, and if it is found, uses it.
ActionInsertTable is optional: if it is not linked, generated report tables have default appearance.
ActionInsertTable.BestWidth is ignored.