added check for transient filters in controller
added check for transient filters in controller

..and filling filters from widget only if there are not transient
filters in controller. If there are ones, we assume that controller has
all the filters and we do not need to check for filters on widget.

intersystems-ru/LightPivotTable,intersystems/LightPivotTable,ZitRos/LightPivotTable,intersystems/LightPivotTable,ZitRos/LightPivotTable,intersystems-ru/LightPivotTable